Home / 949,363.68-1,310,123.84-519,671.24

Finding the Fourth Proportional to 949,363.68, 1,310,123.84 and 519,671.24

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Solution

The fourth proportional to 949,363.68, 1,310,123.84 and 519,671.24 is: 717,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,363.68 : 1,310,123.84 = 519,671.24 : x
  2. Step 2: Convert to fraction form
    949,363.68/1,310,123.84 = 519,671.24/x
  3. Step 3: Cross multiply
    949,363.68x = 1,310,123.84 × 519,671.24
  4. Step 4: Simplify right side
    949,363.68x = 680,833,680,486.36
  5. Step 5: Solve for x
    x = 680,833,680,486.36/949,363.68
  6. Step 6: Final answer
    x = 717,147.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.