Home / 876,435.30-1,314,264.15-403,265.70

Finding the Fourth Proportional to 876,435.30, 1,314,264.15 and 403,265.70

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Solution

The fourth proportional to 876,435.30, 1,314,264.15 and 403,265.70 is: 604,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,435.30 : 1,314,264.15 = 403,265.70 : x
  2. Step 2: Convert to fraction form
    876,435.30/1,314,264.15 = 403,265.70/x
  3. Step 3: Cross multiply
    876,435.30x = 1,314,264.15 × 403,265.70
  4. Step 4: Simplify right side
    876,435.30x = 529,997,652,434.66
  5. Step 5: Solve for x
    x = 529,997,652,434.66/876,435.30
  6. Step 6: Final answer
    x = 604,719.66

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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.