Home / 652,302.20-977,141.10-439,725.80

Finding the Fourth Proportional to 652,302.20, 977,141.10 and 439,725.80

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Solution

The fourth proportional to 652,302.20, 977,141.10 and 439,725.80 is: 658,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,302.20 : 977,141.10 = 439,725.80 : x
  2. Step 2: Convert to fraction form
    652,302.20/977,141.10 = 439,725.80/x
  3. Step 3: Cross multiply
    652,302.20x = 977,141.10 × 439,725.80
  4. Step 4: Simplify right side
    652,302.20x = 429,674,151,910.38
  5. Step 5: Solve for x
    x = 429,674,151,910.38/652,302.20
  6. Step 6: Final answer
    x = 658,704.13

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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.