Home / 631,488.40-949,565.40-528,845.20

Finding the Fourth Proportional to 631,488.40, 949,565.40 and 528,845.20

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Solution

The fourth proportional to 631,488.40, 949,565.40 and 528,845.20 is: 795,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,488.40 : 949,565.40 = 528,845.20 : x
  2. Step 2: Convert to fraction form
    631,488.40/949,565.40 = 528,845.20/x
  3. Step 3: Cross multiply
    631,488.40x = 949,565.40 × 528,845.20
  4. Step 4: Simplify right side
    631,488.40x = 502,173,103,876.08
  5. Step 5: Solve for x
    x = 502,173,103,876.08/631,488.40
  6. Step 6: Final answer
    x = 795,221.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.