Home / 674,824.80-1,012,237.20-663,160.80

Finding the Fourth Proportional to 674,824.80, 1,012,237.20 and 663,160.80

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Solution

The fourth proportional to 674,824.80, 1,012,237.20 and 663,160.80 is: 994,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,824.80 : 1,012,237.20 = 663,160.80 : x
  2. Step 2: Convert to fraction form
    674,824.80/1,012,237.20 = 663,160.80/x
  3. Step 3: Cross multiply
    674,824.80x = 1,012,237.20 × 663,160.80
  4. Step 4: Simplify right side
    674,824.80x = 671,276,031,341.76
  5. Step 5: Solve for x
    x = 671,276,031,341.76/674,824.80
  6. Step 6: Final answer
    x = 994,741.20

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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.