Home / 688,052.20-1,032,078.30-510,905.20

Finding the Fourth Proportional to 688,052.20, 1,032,078.30 and 510,905.20

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Solution

The fourth proportional to 688,052.20, 1,032,078.30 and 510,905.20 is: 766,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,052.20 : 1,032,078.30 = 510,905.20 : x
  2. Step 2: Convert to fraction form
    688,052.20/1,032,078.30 = 510,905.20/x
  3. Step 3: Cross multiply
    688,052.20x = 1,032,078.30 × 510,905.20
  4. Step 4: Simplify right side
    688,052.20x = 527,294,170,277.16
  5. Step 5: Solve for x
    x = 527,294,170,277.16/688,052.20
  6. Step 6: Final answer
    x = 766,357.80

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1.5x scale

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.