Home / 688,500.98-1,032,926.66-404,431.78

Finding the Fourth Proportional to 688,500.98, 1,032,926.66 and 404,431.78

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Solution

The fourth proportional to 688,500.98, 1,032,926.66 and 404,431.78 is: 606,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,500.98 : 1,032,926.66 = 404,431.78 : x
  2. Step 2: Convert to fraction form
    688,500.98/1,032,926.66 = 404,431.78/x
  3. Step 3: Cross multiply
    688,500.98x = 1,032,926.66 × 404,431.78
  4. Step 4: Simplify right side
    688,500.98x = 417,748,366,142.02
  5. Step 5: Solve for x
    x = 417,748,366,142.02/688,500.98
  6. Step 6: Final answer
    x = 606,750.57

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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.