Home / 830,728.57-1,146,439.17-468,167.71

Finding the Fourth Proportional to 830,728.57, 1,146,439.17 and 468,167.71

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Solution

The fourth proportional to 830,728.57, 1,146,439.17 and 468,167.71 is: 646,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,728.57 : 1,146,439.17 = 468,167.71 : x
  2. Step 2: Convert to fraction form
    830,728.57/1,146,439.17 = 468,167.71/x
  3. Step 3: Cross multiply
    830,728.57x = 1,146,439.17 × 468,167.71
  4. Step 4: Simplify right side
    830,728.57x = 536,725,800,873.20
  5. Step 5: Solve for x
    x = 536,725,800,873.20/830,728.57
  6. Step 6: Final answer
    x = 646,090.46

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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.