Home / 958,657.05-1,437,985.58-485,280.90

Finding the Fourth Proportional to 958,657.05, 1,437,985.58 and 485,280.90

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Solution

The fourth proportional to 958,657.05, 1,437,985.58 and 485,280.90 is: 727,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,657.05 : 1,437,985.58 = 485,280.90 : x
  2. Step 2: Convert to fraction form
    958,657.05/1,437,985.58 = 485,280.90/x
  3. Step 3: Cross multiply
    958,657.05x = 1,437,985.58 × 485,280.90
  4. Step 4: Simplify right side
    958,657.05x = 697,826,934,023.02
  5. Step 5: Solve for x
    x = 697,826,934,023.02/958,657.05
  6. Step 6: Final answer
    x = 727,921.35

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Double scale
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Similar ratio
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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.