Home / 830,631.80-1,245,947.70-564,911.30

Finding the Fourth Proportional to 830,631.80, 1,245,947.70 and 564,911.30

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Solution

The fourth proportional to 830,631.80, 1,245,947.70 and 564,911.30 is: 847,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,631.80 : 1,245,947.70 = 564,911.30 : x
  2. Step 2: Convert to fraction form
    830,631.80/1,245,947.70 = 564,911.30/x
  3. Step 3: Cross multiply
    830,631.80x = 1,245,947.70 × 564,911.30
  4. Step 4: Simplify right side
    830,631.80x = 703,849,934,939.01
  5. Step 5: Solve for x
    x = 703,849,934,939.01/830,631.80
  6. Step 6: Final answer
    x = 847,366.95

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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.