Home / 990,264.57-1,366,572.11-537,555.57

Finding the Fourth Proportional to 990,264.57, 1,366,572.11 and 537,555.57

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Solution

The fourth proportional to 990,264.57, 1,366,572.11 and 537,555.57 is: 741,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,264.57 : 1,366,572.11 = 537,555.57 : x
  2. Step 2: Convert to fraction form
    990,264.57/1,366,572.11 = 537,555.57/x
  3. Step 3: Cross multiply
    990,264.57x = 1,366,572.11 × 537,555.57
  4. Step 4: Simplify right side
    990,264.57x = 734,608,446,849.38
  5. Step 5: Solve for x
    x = 734,608,446,849.38/990,264.57
  6. Step 6: Final answer
    x = 741,830.49

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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.