Home / 736,002.40-1,104,003.60-642,690.40

Finding the Fourth Proportional to 736,002.40, 1,104,003.60 and 642,690.40

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Solution

The fourth proportional to 736,002.40, 1,104,003.60 and 642,690.40 is: 964,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,002.40 : 1,104,003.60 = 642,690.40 : x
  2. Step 2: Convert to fraction form
    736,002.40/1,104,003.60 = 642,690.40/x
  3. Step 3: Cross multiply
    736,002.40x = 1,104,003.60 × 642,690.40
  4. Step 4: Simplify right side
    736,002.40x = 709,532,515,285.44
  5. Step 5: Solve for x
    x = 709,532,515,285.44/736,002.40
  6. Step 6: Final answer
    x = 964,035.60

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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.