Home / 688,033.70-1,032,050.55-520,072.10

Finding the Fourth Proportional to 688,033.70, 1,032,050.55 and 520,072.10

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Solution

The fourth proportional to 688,033.70, 1,032,050.55 and 520,072.10 is: 780,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,033.70 : 1,032,050.55 = 520,072.10 : x
  2. Step 2: Convert to fraction form
    688,033.70/1,032,050.55 = 520,072.10/x
  3. Step 3: Cross multiply
    688,033.70x = 1,032,050.55 × 520,072.10
  4. Step 4: Simplify right side
    688,033.70x = 536,740,696,844.66
  5. Step 5: Solve for x
    x = 536,740,696,844.66/688,033.70
  6. Step 6: Final answer
    x = 780,108.15

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Similar ratio
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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.