Home / 990,045.10-1,366,263.75-537,337.18

Finding the Fourth Proportional to 990,045.10, 1,366,263.75 and 537,337.18

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Solution

The fourth proportional to 990,045.10, 1,366,263.75 and 537,337.18 is: 741,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,045.10 : 1,366,263.75 = 537,337.18 : x
  2. Step 2: Convert to fraction form
    990,045.10/1,366,263.75 = 537,337.18/x
  3. Step 3: Cross multiply
    990,045.10x = 1,366,263.75 × 537,337.18
  4. Step 4: Simplify right side
    990,045.10x = 734,144,310,561.23
  5. Step 5: Solve for x
    x = 734,144,310,561.23/990,045.10
  6. Step 6: Final answer
    x = 741,526.13

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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.