Home / 852,475.71-1,176,414.06-470,499.75

Finding the Fourth Proportional to 852,475.71, 1,176,414.06 and 470,499.75

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Solution

The fourth proportional to 852,475.71, 1,176,414.06 and 470,499.75 is: 649,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,475.71 : 1,176,414.06 = 470,499.75 : x
  2. Step 2: Convert to fraction form
    852,475.71/1,176,414.06 = 470,499.75/x
  3. Step 3: Cross multiply
    852,475.71x = 1,176,414.06 × 470,499.75
  4. Step 4: Simplify right side
    852,475.71x = 553,502,521,126.49
  5. Step 5: Solve for x
    x = 553,502,521,126.49/852,475.71
  6. Step 6: Final answer
    x = 649,288.32

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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.