Home / 712,621.60-1,068,931.68-291,898.24

Finding the Fourth Proportional to 712,621.60, 1,068,931.68 and 291,898.24

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Solution

The fourth proportional to 712,621.60, 1,068,931.68 and 291,898.24 is: 437,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,621.60 : 1,068,931.68 = 291,898.24 : x
  2. Step 2: Convert to fraction form
    712,621.60/1,068,931.68 = 291,898.24/x
  3. Step 3: Cross multiply
    712,621.60x = 1,068,931.68 × 291,898.24
  4. Step 4: Simplify right side
    712,621.60x = 312,019,276,072.24
  5. Step 5: Solve for x
    x = 312,019,276,072.24/712,621.60
  6. Step 6: Final answer
    x = 437,847.07

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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.