Home / 761,290.13-1,141,854.72-401,316.76

Finding the Fourth Proportional to 761,290.13, 1,141,854.72 and 401,316.76

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Solution

The fourth proportional to 761,290.13, 1,141,854.72 and 401,316.76 is: 601,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,290.13 : 1,141,854.72 = 401,316.76 : x
  2. Step 2: Convert to fraction form
    761,290.13/1,141,854.72 = 401,316.76/x
  3. Step 3: Cross multiply
    761,290.13x = 1,141,854.72 × 401,316.76
  4. Step 4: Simplify right side
    761,290.13x = 458,245,438,800.90
  5. Step 5: Solve for x
    x = 458,245,438,800.90/761,290.13
  6. Step 6: Final answer
    x = 601,932.72

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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.