Home / 813,432.34-1,218,432.00-652,637.72

Finding the Fourth Proportional to 813,432.34, 1,218,432.00 and 652,637.72

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Solution

The fourth proportional to 813,432.34, 1,218,432.00 and 652,637.72 is: 977,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,432.34 : 1,218,432.00 = 652,637.72 : x
  2. Step 2: Convert to fraction form
    813,432.34/1,218,432.00 = 652,637.72/x
  3. Step 3: Cross multiply
    813,432.34x = 1,218,432.00 × 652,637.72
  4. Step 4: Simplify right side
    813,432.34x = 795,194,677,301.62
  5. Step 5: Solve for x
    x = 795,194,677,301.62/813,432.34
  6. Step 6: Final answer
    x = 977,579.38

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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.