Home / 762,752.58-1,052,562.28-418,580.74

Finding the Fourth Proportional to 762,752.58, 1,052,562.28 and 418,580.74

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Solution

The fourth proportional to 762,752.58, 1,052,562.28 and 418,580.74 is: 577,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,752.58 : 1,052,562.28 = 418,580.74 : x
  2. Step 2: Convert to fraction form
    762,752.58/1,052,562.28 = 418,580.74/x
  3. Step 3: Cross multiply
    762,752.58x = 1,052,562.28 × 418,580.74
  4. Step 4: Simplify right side
    762,752.58x = 440,582,298,058.49
  5. Step 5: Solve for x
    x = 440,582,298,058.49/762,752.58
  6. Step 6: Final answer
    x = 577,621.51

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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.