Home / 830,634.30-1,245,951.45-564,913.80

Finding the Fourth Proportional to 830,634.30, 1,245,951.45 and 564,913.80

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Solution

The fourth proportional to 830,634.30, 1,245,951.45 and 564,913.80 is: 847,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,634.30 : 1,245,951.45 = 564,913.80 : x
  2. Step 2: Convert to fraction form
    830,634.30/1,245,951.45 = 564,913.80/x
  3. Step 3: Cross multiply
    830,634.30x = 1,245,951.45 × 564,913.80
  4. Step 4: Simplify right side
    830,634.30x = 703,855,168,235.01
  5. Step 5: Solve for x
    x = 703,855,168,235.01/830,634.30
  6. Step 6: Final answer
    x = 847,370.70

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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.