Home / 786,870.98-1,181,487.46-450,291.68

Finding the Fourth Proportional to 786,870.98, 1,181,487.46 and 450,291.68

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Solution

The fourth proportional to 786,870.98, 1,181,487.46 and 450,291.68 is: 676,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,870.98 : 1,181,487.46 = 450,291.68 : x
  2. Step 2: Convert to fraction form
    786,870.98/1,181,487.46 = 450,291.68/x
  3. Step 3: Cross multiply
    786,870.98x = 1,181,487.46 × 450,291.68
  4. Step 4: Simplify right side
    786,870.98x = 532,013,973,262.33
  5. Step 5: Solve for x
    x = 532,013,973,262.33/786,870.98
  6. Step 6: Final answer
    x = 676,113.35

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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.