Home / 688,052.70-1,032,079.05-510,905.70

Finding the Fourth Proportional to 688,052.70, 1,032,079.05 and 510,905.70

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Solution

The fourth proportional to 688,052.70, 1,032,079.05 and 510,905.70 is: 766,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,052.70 : 1,032,079.05 = 510,905.70 : x
  2. Step 2: Convert to fraction form
    688,052.70/1,032,079.05 = 510,905.70/x
  3. Step 3: Cross multiply
    688,052.70x = 1,032,079.05 × 510,905.70
  4. Step 4: Simplify right side
    688,052.70x = 527,295,069,495.59
  5. Step 5: Solve for x
    x = 527,295,069,495.59/688,052.70
  6. Step 6: Final answer
    x = 766,358.55

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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.