Home / 989,030.25-1,364,861.75-536,321.25

Finding the Fourth Proportional to 989,030.25, 1,364,861.75 and 536,321.25

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Solution

The fourth proportional to 989,030.25, 1,364,861.75 and 536,321.25 is: 740,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,030.25 : 1,364,861.75 = 536,321.25 : x
  2. Step 2: Convert to fraction form
    989,030.25/1,364,861.75 = 536,321.25/x
  3. Step 3: Cross multiply
    989,030.25x = 1,364,861.75 × 536,321.25
  4. Step 4: Simplify right side
    989,030.25x = 732,004,357,155.58
  5. Step 5: Solve for x
    x = 732,004,357,155.58/989,030.25
  6. Step 6: Final answer
    x = 740,123.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.