Home / 852,687.30-1,176,702.75-470,713.98

Finding the Fourth Proportional to 852,687.30, 1,176,702.75 and 470,713.98

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Solution

The fourth proportional to 852,687.30, 1,176,702.75 and 470,713.98 is: 649,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,687.30 : 1,176,702.75 = 470,713.98 : x
  2. Step 2: Convert to fraction form
    852,687.30/1,176,702.75 = 470,713.98/x
  3. Step 3: Cross multiply
    852,687.30x = 1,176,702.75 × 470,713.98
  4. Step 4: Simplify right side
    852,687.30x = 553,890,434,729.45
  5. Step 5: Solve for x
    x = 553,890,434,729.45/852,687.30
  6. Step 6: Final answer
    x = 649,582.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.