Home / 688,503.90-1,032,755.85-683,838.30

Finding the Fourth Proportional to 688,503.90, 1,032,755.85 and 683,838.30

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Solution

The fourth proportional to 688,503.90, 1,032,755.85 and 683,838.30 is: 1,025,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,503.90 : 1,032,755.85 = 683,838.30 : x
  2. Step 2: Convert to fraction form
    688,503.90/1,032,755.85 = 683,838.30/x
  3. Step 3: Cross multiply
    688,503.90x = 1,032,755.85 × 683,838.30
  4. Step 4: Simplify right side
    688,503.90x = 706,238,004,779.06
  5. Step 5: Solve for x
    x = 706,238,004,779.06/688,503.90
  6. Step 6: Final answer
    x = 1,025,757.45

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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.