Home / 864,483.90-1,192,989.15-482,510.58

Finding the Fourth Proportional to 864,483.90, 1,192,989.15 and 482,510.58

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Solution

The fourth proportional to 864,483.90, 1,192,989.15 and 482,510.58 is: 665,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,483.90 : 1,192,989.15 = 482,510.58 : x
  2. Step 2: Convert to fraction form
    864,483.90/1,192,989.15 = 482,510.58/x
  3. Step 3: Cross multiply
    864,483.90x = 1,192,989.15 × 482,510.58
  4. Step 4: Simplify right side
    864,483.90x = 575,629,886,700.21
  5. Step 5: Solve for x
    x = 575,629,886,700.21/864,483.90
  6. Step 6: Final answer
    x = 665,865.36

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Double scale
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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.