Home / 816,956.02-1,127,320.34-472,723.30

Finding the Fourth Proportional to 816,956.02, 1,127,320.34 and 472,723.30

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Solution

The fourth proportional to 816,956.02, 1,127,320.34 and 472,723.30 is: 652,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,956.02 : 1,127,320.34 = 472,723.30 : x
  2. Step 2: Convert to fraction form
    816,956.02/1,127,320.34 = 472,723.30/x
  3. Step 3: Cross multiply
    816,956.02x = 1,127,320.34 × 472,723.30
  4. Step 4: Simplify right side
    816,956.02x = 532,910,591,281.92
  5. Step 5: Solve for x
    x = 532,910,591,281.92/816,956.02
  6. Step 6: Final answer
    x = 652,312.46

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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.