Home / 527,218.40-790,827.60-401,247.20

Finding the Fourth Proportional to 527,218.40, 790,827.60 and 401,247.20

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Solution

The fourth proportional to 527,218.40, 790,827.60 and 401,247.20 is: 601,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,218.40 : 790,827.60 = 401,247.20 : x
  2. Step 2: Convert to fraction form
    527,218.40/790,827.60 = 401,247.20/x
  3. Step 3: Cross multiply
    527,218.40x = 790,827.60 × 401,247.20
  4. Step 4: Simplify right side
    527,218.40x = 317,317,360,182.72
  5. Step 5: Solve for x
    x = 317,317,360,182.72/527,218.40
  6. Step 6: Final answer
    x = 601,870.80

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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.