Home / 852,721.59-1,176,724.95-470,740.17

Finding the Fourth Proportional to 852,721.59, 1,176,724.95 and 470,740.17

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Solution

The fourth proportional to 852,721.59, 1,176,724.95 and 470,740.17 is: 649,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,721.59 : 1,176,724.95 = 470,740.17 : x
  2. Step 2: Convert to fraction form
    852,721.59/1,176,724.95 = 470,740.17/x
  3. Step 3: Cross multiply
    852,721.59x = 1,176,724.95 × 470,740.17
  4. Step 4: Simplify right side
    852,721.59x = 553,931,703,006.24
  5. Step 5: Solve for x
    x = 553,931,703,006.24/852,721.59
  6. Step 6: Final answer
    x = 649,604.41

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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.