Home / 500,034.13-690,048.92-270,591.40

Finding the Fourth Proportional to 500,034.13, 690,048.92 and 270,591.40

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Solution

The fourth proportional to 500,034.13, 690,048.92 and 270,591.40 is: 373,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,034.13 : 690,048.92 = 270,591.40 : x
  2. Step 2: Convert to fraction form
    500,034.13/690,048.92 = 270,591.40/x
  3. Step 3: Cross multiply
    500,034.13x = 690,048.92 × 270,591.40
  4. Step 4: Simplify right side
    500,034.13x = 186,721,303,331.29
  5. Step 5: Solve for x
    x = 186,721,303,331.29/500,034.13
  6. Step 6: Final answer
    x = 373,417.12

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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.