Home / 851,254.24-1,174,738.80-469,294.72

Finding the Fourth Proportional to 851,254.24, 1,174,738.80 and 469,294.72

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Solution

The fourth proportional to 851,254.24, 1,174,738.80 and 469,294.72 is: 647,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,254.24 : 1,174,738.80 = 469,294.72 : x
  2. Step 2: Convert to fraction form
    851,254.24/1,174,738.80 = 469,294.72/x
  3. Step 3: Cross multiply
    851,254.24x = 1,174,738.80 × 469,294.72
  4. Step 4: Simplify right side
    851,254.24x = 551,298,716,219.14
  5. Step 5: Solve for x
    x = 551,298,716,219.14/851,254.24
  6. Step 6: Final answer
    x = 647,631.10

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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.