Home / 840,730.04-1,160,235.46-458,777.78

Finding the Fourth Proportional to 840,730.04, 1,160,235.46 and 458,777.78

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Solution

The fourth proportional to 840,730.04, 1,160,235.46 and 458,777.78 is: 633,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,730.04 : 1,160,235.46 = 458,777.78 : x
  2. Step 2: Convert to fraction form
    840,730.04/1,160,235.46 = 458,777.78/x
  3. Step 3: Cross multiply
    840,730.04x = 1,160,235.46 × 458,777.78
  4. Step 4: Simplify right side
    840,730.04x = 532,290,248,616.08
  5. Step 5: Solve for x
    x = 532,290,248,616.08/840,730.04
  6. Step 6: Final answer
    x = 633,128.62

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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.