Home / 674,264.46-930,513.30-387,784.83

Finding the Fourth Proportional to 674,264.46, 930,513.30 and 387,784.83

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Solution

The fourth proportional to 674,264.46, 930,513.30 and 387,784.83 is: 535,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,264.46 : 930,513.30 = 387,784.83 : x
  2. Step 2: Convert to fraction form
    674,264.46/930,513.30 = 387,784.83/x
  3. Step 3: Cross multiply
    674,264.46x = 930,513.30 × 387,784.83
  4. Step 4: Simplify right side
    674,264.46x = 360,838,941,853.24
  5. Step 5: Solve for x
    x = 360,838,941,853.24/674,264.46
  6. Step 6: Final answer
    x = 535,159.37

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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.