Home / 1,039,678.70-1,559,518.05-329,762.30

Finding the Fourth Proportional to 1,039,678.70, 1,559,518.05 and 329,762.30

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Solution

The fourth proportional to 1,039,678.70, 1,559,518.05 and 329,762.30 is: 494,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,678.70 : 1,559,518.05 = 329,762.30 : x
  2. Step 2: Convert to fraction form
    1,039,678.70/1,559,518.05 = 329,762.30/x
  3. Step 3: Cross multiply
    1,039,678.70x = 1,559,518.05 × 329,762.30
  4. Step 4: Simplify right side
    1,039,678.70x = 514,270,259,059.52
  5. Step 5: Solve for x
    x = 514,270,259,059.52/1,039,678.70
  6. Step 6: Final answer
    x = 494,643.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.