Home / 917,302.60-1,377,266.10-652,238.20

Finding the Fourth Proportional to 917,302.60, 1,377,266.10 and 652,238.20

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Solution

The fourth proportional to 917,302.60, 1,377,266.10 and 652,238.20 is: 979,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,302.60 : 1,377,266.10 = 652,238.20 : x
  2. Step 2: Convert to fraction form
    917,302.60/1,377,266.10 = 652,238.20/x
  3. Step 3: Cross multiply
    917,302.60x = 1,377,266.10 × 652,238.20
  4. Step 4: Simplify right side
    917,302.60x = 898,305,561,985.02
  5. Step 5: Solve for x
    x = 898,305,561,985.02/917,302.60
  6. Step 6: Final answer
    x = 979,290.33

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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.