Home / 646,474.98-969,047.10-286,815.20

Finding the Fourth Proportional to 646,474.98, 969,047.10 and 286,815.20

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Solution

The fourth proportional to 646,474.98, 969,047.10 and 286,815.20 is: 429,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,474.98 : 969,047.10 = 286,815.20 : x
  2. Step 2: Convert to fraction form
    646,474.98/969,047.10 = 286,815.20/x
  3. Step 3: Cross multiply
    646,474.98x = 969,047.10 × 286,815.20
  4. Step 4: Simplify right side
    646,474.98x = 277,937,440,218.54
  5. Step 5: Solve for x
    x = 277,937,440,218.54/646,474.98
  6. Step 6: Final answer
    x = 429,927.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.