Home / 651,679.20-977,810.40-296,510.40

Finding the Fourth Proportional to 651,679.20, 977,810.40 and 296,510.40

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Solution

The fourth proportional to 651,679.20, 977,810.40 and 296,510.40 is: 444,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,679.20 : 977,810.40 = 296,510.40 : x
  2. Step 2: Convert to fraction form
    651,679.20/977,810.40 = 296,510.40/x
  3. Step 3: Cross multiply
    651,679.20x = 977,810.40 × 296,510.40
  4. Step 4: Simplify right side
    651,679.20x = 289,930,952,828.16
  5. Step 5: Solve for x
    x = 289,930,952,828.16/651,679.20
  6. Step 6: Final answer
    x = 444,898.28

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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.