Home / 666,752.89-1,000,432.95-282,607.02

Finding the Fourth Proportional to 666,752.89, 1,000,432.95 and 282,607.02

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Solution

The fourth proportional to 666,752.89, 1,000,432.95 and 282,607.02 is: 424,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,752.89 : 1,000,432.95 = 282,607.02 : x
  2. Step 2: Convert to fraction form
    666,752.89/1,000,432.95 = 282,607.02/x
  3. Step 3: Cross multiply
    666,752.89x = 1,000,432.95 × 282,607.02
  4. Step 4: Simplify right side
    666,752.89x = 282,729,374,709.31
  5. Step 5: Solve for x
    x = 282,729,374,709.31/666,752.89
  6. Step 6: Final answer
    x = 424,039.22

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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.