Home / 487,206.46-672,480.75-334,269.55

Finding the Fourth Proportional to 487,206.46, 672,480.75 and 334,269.55

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Solution

The fourth proportional to 487,206.46, 672,480.75 and 334,269.55 is: 461,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,206.46 : 672,480.75 = 334,269.55 : x
  2. Step 2: Convert to fraction form
    487,206.46/672,480.75 = 334,269.55/x
  3. Step 3: Cross multiply
    487,206.46x = 672,480.75 × 334,269.55
  4. Step 4: Simplify right side
    487,206.46x = 224,789,837,686.16
  5. Step 5: Solve for x
    x = 224,789,837,686.16/487,206.46
  6. Step 6: Final answer
    x = 461,385.17

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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.