Home / 864,155.60-1,296,233.40-484,686.80

Finding the Fourth Proportional to 864,155.60, 1,296,233.40 and 484,686.80

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Solution

The fourth proportional to 864,155.60, 1,296,233.40 and 484,686.80 is: 727,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,155.60 : 1,296,233.40 = 484,686.80 : x
  2. Step 2: Convert to fraction form
    864,155.60/1,296,233.40 = 484,686.80/x
  3. Step 3: Cross multiply
    864,155.60x = 1,296,233.40 × 484,686.80
  4. Step 4: Simplify right side
    864,155.60x = 628,267,218,699.12
  5. Step 5: Solve for x
    x = 628,267,218,699.12/864,155.60
  6. Step 6: Final answer
    x = 727,030.20

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1.5x scale

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.