Home / 696,595.20-1,043,143.20-458,649.60

Finding the Fourth Proportional to 696,595.20, 1,043,143.20 and 458,649.60

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Solution

The fourth proportional to 696,595.20, 1,043,143.20 and 458,649.60 is: 686,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,595.20 : 1,043,143.20 = 458,649.60 : x
  2. Step 2: Convert to fraction form
    696,595.20/1,043,143.20 = 458,649.60/x
  3. Step 3: Cross multiply
    696,595.20x = 1,043,143.20 × 458,649.60
  4. Step 4: Simplify right side
    696,595.20x = 478,437,211,422.72
  5. Step 5: Solve for x
    x = 478,437,211,422.72/696,595.20
  6. Step 6: Final answer
    x = 686,822.43

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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.