Home / 849,793.71-1,275,478.02-429,364.83

Finding the Fourth Proportional to 849,793.71, 1,275,478.02 and 429,364.83

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Solution

The fourth proportional to 849,793.71, 1,275,478.02 and 429,364.83 is: 644,445.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,793.71 : 1,275,478.02 = 429,364.83 : x
  2. Step 2: Convert to fraction form
    849,793.71/1,275,478.02 = 429,364.83/x
  3. Step 3: Cross multiply
    849,793.71x = 1,275,478.02 × 429,364.83
  4. Step 4: Simplify right side
    849,793.71x = 547,645,403,226.04
  5. Step 5: Solve for x
    x = 547,645,403,226.04/849,793.71
  6. Step 6: Final answer
    x = 644,445.11

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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.