Home / 679,255.05-937,657.98-458,535.72

Finding the Fourth Proportional to 679,255.05, 937,657.98 and 458,535.72

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Solution

The fourth proportional to 679,255.05, 937,657.98 and 458,535.72 is: 632,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,255.05 : 937,657.98 = 458,535.72 : x
  2. Step 2: Convert to fraction form
    679,255.05/937,657.98 = 458,535.72/x
  3. Step 3: Cross multiply
    679,255.05x = 937,657.98 × 458,535.72
  4. Step 4: Simplify right side
    679,255.05x = 429,949,676,973.05
  5. Step 5: Solve for x
    x = 429,949,676,973.05/679,255.05
  6. Step 6: Final answer
    x = 632,972.37

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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.