Home / 749,437.20-1,034,247.96-409,905.46

Finding the Fourth Proportional to 749,437.20, 1,034,247.96 and 409,905.46

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Solution

The fourth proportional to 749,437.20, 1,034,247.96 and 409,905.46 is: 565,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,437.20 : 1,034,247.96 = 409,905.46 : x
  2. Step 2: Convert to fraction form
    749,437.20/1,034,247.96 = 409,905.46/x
  3. Step 3: Cross multiply
    749,437.20x = 1,034,247.96 × 409,905.46
  4. Step 4: Simplify right side
    749,437.20x = 423,943,885,797.86
  5. Step 5: Solve for x
    x = 423,943,885,797.86/749,437.20
  6. Step 6: Final answer
    x = 565,683.00

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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.