Home / 762,623.50-1,052,420.02-418,461.69

Finding the Fourth Proportional to 762,623.50, 1,052,420.02 and 418,461.69

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Solution

The fourth proportional to 762,623.50, 1,052,420.02 and 418,461.69 is: 577,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,623.50 : 1,052,420.02 = 418,461.69 : x
  2. Step 2: Convert to fraction form
    762,623.50/1,052,420.02 = 418,461.69/x
  3. Step 3: Cross multiply
    762,623.50x = 1,052,420.02 × 418,461.69
  4. Step 4: Simplify right side
    762,623.50x = 440,397,460,159.03
  5. Step 5: Solve for x
    x = 440,397,460,159.03/762,623.50
  6. Step 6: Final answer
    x = 577,476.91

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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.