Home / 730,661.19-1,008,359.73-408,384.87

Finding the Fourth Proportional to 730,661.19, 1,008,359.73 and 408,384.87

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Solution

The fourth proportional to 730,661.19, 1,008,359.73 and 408,384.87 is: 563,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,661.19 : 1,008,359.73 = 408,384.87 : x
  2. Step 2: Convert to fraction form
    730,661.19/1,008,359.73 = 408,384.87/x
  3. Step 3: Cross multiply
    730,661.19x = 1,008,359.73 × 408,384.87
  4. Step 4: Simplify right side
    730,661.19x = 411,798,857,249.29
  5. Step 5: Solve for x
    x = 411,798,857,249.29/730,661.19
  6. Step 6: Final answer
    x = 563,597.55

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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.