Home / 990,057.28-1,366,294.88-537,348.28

Finding the Fourth Proportional to 990,057.28, 1,366,294.88 and 537,348.28

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Solution

The fourth proportional to 990,057.28, 1,366,294.88 and 537,348.28 is: 741,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,057.28 : 1,366,294.88 = 537,348.28 : x
  2. Step 2: Convert to fraction form
    990,057.28/1,366,294.88 = 537,348.28/x
  3. Step 3: Cross multiply
    990,057.28x = 1,366,294.88 × 537,348.28
  4. Step 4: Simplify right side
    990,057.28x = 734,176,203,740.81
  5. Step 5: Solve for x
    x = 734,176,203,740.81/990,057.28
  6. Step 6: Final answer
    x = 741,549.22

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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.