Home / 990,024.15-1,366,233.89-537,315.15

Finding the Fourth Proportional to 990,024.15, 1,366,233.89 and 537,315.15

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Solution

The fourth proportional to 990,024.15, 1,366,233.89 and 537,315.15 is: 741,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,024.15 : 1,366,233.89 = 537,315.15 : x
  2. Step 2: Convert to fraction form
    990,024.15/1,366,233.89 = 537,315.15/x
  3. Step 3: Cross multiply
    990,024.15x = 1,366,233.89 × 537,315.15
  4. Step 4: Simplify right side
    990,024.15x = 734,098,164,853.86
  5. Step 5: Solve for x
    x = 734,098,164,853.86/990,024.15
  6. Step 6: Final answer
    x = 741,495.21

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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.