Home / 852,721.60-1,176,724.96-470,740.18

Finding the Fourth Proportional to 852,721.60, 1,176,724.96 and 470,740.18

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Solution

The fourth proportional to 852,721.60, 1,176,724.96 and 470,740.18 is: 649,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,721.60 : 1,176,724.96 = 470,740.18 : x
  2. Step 2: Convert to fraction form
    852,721.60/1,176,724.96 = 470,740.18/x
  3. Step 3: Cross multiply
    852,721.60x = 1,176,724.96 × 470,740.18
  4. Step 4: Simplify right side
    852,721.60x = 553,931,719,480.89
  5. Step 5: Solve for x
    x = 553,931,719,480.89/852,721.60
  6. Step 6: Final answer
    x = 649,604.42

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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.