Home / 820,032.40-1,230,048.60-503,462.80

Finding the Fourth Proportional to 820,032.40, 1,230,048.60 and 503,462.80

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Solution

The fourth proportional to 820,032.40, 1,230,048.60 and 503,462.80 is: 755,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,032.40 : 1,230,048.60 = 503,462.80 : x
  2. Step 2: Convert to fraction form
    820,032.40/1,230,048.60 = 503,462.80/x
  3. Step 3: Cross multiply
    820,032.40x = 1,230,048.60 × 503,462.80
  4. Step 4: Simplify right side
    820,032.40x = 619,283,712,292.08
  5. Step 5: Solve for x
    x = 619,283,712,292.08/820,032.40
  6. Step 6: Final answer
    x = 755,194.20

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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.