Home / 864,281.95-1,295,780.90-414,574.61

Finding the Fourth Proportional to 864,281.95, 1,295,780.90 and 414,574.61

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Solution

The fourth proportional to 864,281.95, 1,295,780.90 and 414,574.61 is: 621,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,281.95 : 1,295,780.90 = 414,574.61 : x
  2. Step 2: Convert to fraction form
    864,281.95/1,295,780.90 = 414,574.61/x
  3. Step 3: Cross multiply
    864,281.95x = 1,295,780.90 × 414,574.61
  4. Step 4: Simplify right side
    864,281.95x = 537,197,852,711.17
  5. Step 5: Solve for x
    x = 537,197,852,711.17/864,281.95
  6. Step 6: Final answer
    x = 621,553.94

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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.