Home / 786,870.73-1,181,487.08-450,291.43

Finding the Fourth Proportional to 786,870.73, 1,181,487.08 and 450,291.43

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Solution

The fourth proportional to 786,870.73, 1,181,487.08 and 450,291.43 is: 676,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,870.73 : 1,181,487.08 = 450,291.43 : x
  2. Step 2: Convert to fraction form
    786,870.73/1,181,487.08 = 450,291.43/x
  3. Step 3: Cross multiply
    786,870.73x = 1,181,487.08 × 450,291.43
  4. Step 4: Simplify right side
    786,870.73x = 532,013,506,779.72
  5. Step 5: Solve for x
    x = 532,013,506,779.72/786,870.73
  6. Step 6: Final answer
    x = 676,112.97

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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.