Home / 977,487.40-1,348,950.18-547,765.48

Finding the Fourth Proportional to 977,487.40, 1,348,950.18 and 547,765.48

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Solution

The fourth proportional to 977,487.40, 1,348,950.18 and 547,765.48 is: 755,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,487.40 : 1,348,950.18 = 547,765.48 : x
  2. Step 2: Convert to fraction form
    977,487.40/1,348,950.18 = 547,765.48/x
  3. Step 3: Cross multiply
    977,487.40x = 1,348,950.18 × 547,765.48
  4. Step 4: Simplify right side
    977,487.40x = 738,908,342,843.79
  5. Step 5: Solve for x
    x = 738,908,342,843.79/977,487.40
  6. Step 6: Final answer
    x = 755,926.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.