Home / 852,694.80-1,176,687.72-470,720.40

Finding the Fourth Proportional to 852,694.80, 1,176,687.72 and 470,720.40

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Solution

The fourth proportional to 852,694.80, 1,176,687.72 and 470,720.40 is: 649,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,694.80 : 1,176,687.72 = 470,720.40 : x
  2. Step 2: Convert to fraction form
    852,694.80/1,176,687.72 = 470,720.40/x
  3. Step 3: Cross multiply
    852,694.80x = 1,176,687.72 × 470,720.40
  4. Step 4: Simplify right side
    852,694.80x = 553,890,914,233.49
  5. Step 5: Solve for x
    x = 553,890,914,233.49/852,694.80
  6. Step 6: Final answer
    x = 649,576.98

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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.