Home / 501,528.28-752,413.92-288,432.58

Finding the Fourth Proportional to 501,528.28, 752,413.92 and 288,432.58

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Solution

The fourth proportional to 501,528.28, 752,413.92 and 288,432.58 is: 432,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,528.28 : 752,413.92 = 288,432.58 : x
  2. Step 2: Convert to fraction form
    501,528.28/752,413.92 = 288,432.58/x
  3. Step 3: Cross multiply
    501,528.28x = 752,413.92 × 288,432.58
  4. Step 4: Simplify right side
    501,528.28x = 217,020,688,173.51
  5. Step 5: Solve for x
    x = 217,020,688,173.51/501,528.28
  6. Step 6: Final answer
    x = 432,718.75

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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.