Home / 849,818.60-1,172,818.22-487,276.19

Finding the Fourth Proportional to 849,818.60, 1,172,818.22 and 487,276.19

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Solution

The fourth proportional to 849,818.60, 1,172,818.22 and 487,276.19 is: 672,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,818.60 : 1,172,818.22 = 487,276.19 : x
  2. Step 2: Convert to fraction form
    849,818.60/1,172,818.22 = 487,276.19/x
  3. Step 3: Cross multiply
    849,818.60x = 1,172,818.22 × 487,276.19
  4. Step 4: Simplify right side
    849,818.60x = 571,486,385,503.71
  5. Step 5: Solve for x
    x = 571,486,385,503.71/849,818.60
  6. Step 6: Final answer
    x = 672,480.44

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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.