Home / 852,728.81-1,176,758.16-470,747.39

Finding the Fourth Proportional to 852,728.81, 1,176,758.16 and 470,747.39

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Solution

The fourth proportional to 852,728.81, 1,176,758.16 and 470,747.39 is: 649,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,728.81 : 1,176,758.16 = 470,747.39 : x
  2. Step 2: Convert to fraction form
    852,728.81/1,176,758.16 = 470,747.39/x
  3. Step 3: Cross multiply
    852,728.81x = 1,176,758.16 × 470,747.39
  4. Step 4: Simplify right side
    852,728.81x = 553,955,832,481.20
  5. Step 5: Solve for x
    x = 553,955,832,481.20/852,728.81
  6. Step 6: Final answer
    x = 649,627.20

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1.5x scale

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.