Home / 812,862.80-1,219,294.20-497,675.60

Finding the Fourth Proportional to 812,862.80, 1,219,294.20 and 497,675.60

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Solution

The fourth proportional to 812,862.80, 1,219,294.20 and 497,675.60 is: 746,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,862.80 : 1,219,294.20 = 497,675.60 : x
  2. Step 2: Convert to fraction form
    812,862.80/1,219,294.20 = 497,675.60/x
  3. Step 3: Cross multiply
    812,862.80x = 1,219,294.20 × 497,675.60
  4. Step 4: Simplify right side
    812,862.80x = 606,812,972,561.52
  5. Step 5: Solve for x
    x = 606,812,972,561.52/812,862.80
  6. Step 6: Final answer
    x = 746,513.40

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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.