Home / 820,925.80-1,228,764.30-584,729.80

Finding the Fourth Proportional to 820,925.80, 1,228,764.30 and 584,729.80

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Solution

The fourth proportional to 820,925.80, 1,228,764.30 and 584,729.80 is: 875,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,925.80 : 1,228,764.30 = 584,729.80 : x
  2. Step 2: Convert to fraction form
    820,925.80/1,228,764.30 = 584,729.80/x
  3. Step 3: Cross multiply
    820,925.80x = 1,228,764.30 × 584,729.80
  4. Step 4: Simplify right side
    820,925.80x = 718,495,103,386.14
  5. Step 5: Solve for x
    x = 718,495,103,386.14/820,925.80
  6. Step 6: Final answer
    x = 875,225.39

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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.