Home / 459,761.40-688,086.90-403,774.20

Finding the Fourth Proportional to 459,761.40, 688,086.90 and 403,774.20

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Solution

The fourth proportional to 459,761.40, 688,086.90 and 403,774.20 is: 604,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,761.40 : 688,086.90 = 403,774.20 : x
  2. Step 2: Convert to fraction form
    459,761.40/688,086.90 = 403,774.20/x
  3. Step 3: Cross multiply
    459,761.40x = 688,086.90 × 403,774.20
  4. Step 4: Simplify right side
    459,761.40x = 277,831,737,577.98
  5. Step 5: Solve for x
    x = 277,831,737,577.98/459,761.40
  6. Step 6: Final answer
    x = 604,295.48

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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.