Home / 528,925.95-730,229.31-322,272.27

Finding the Fourth Proportional to 528,925.95, 730,229.31 and 322,272.27

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Solution

The fourth proportional to 528,925.95, 730,229.31 and 322,272.27 is: 444,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,925.95 : 730,229.31 = 322,272.27 : x
  2. Step 2: Convert to fraction form
    528,925.95/730,229.31 = 322,272.27/x
  3. Step 3: Cross multiply
    528,925.95x = 730,229.31 × 322,272.27
  4. Step 4: Simplify right side
    528,925.95x = 235,332,657,354.23
  5. Step 5: Solve for x
    x = 235,332,657,354.23/528,925.95
  6. Step 6: Final answer
    x = 444,925.53

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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.