Home / 870,011.10-1,304,594.72-510,299.48

Finding the Fourth Proportional to 870,011.10, 1,304,594.72 and 510,299.48

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Solution

The fourth proportional to 870,011.10, 1,304,594.72 and 510,299.48 is: 765,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,011.10 : 1,304,594.72 = 510,299.48 : x
  2. Step 2: Convert to fraction form
    870,011.10/1,304,594.72 = 510,299.48/x
  3. Step 3: Cross multiply
    870,011.10x = 1,304,594.72 × 510,299.48
  4. Step 4: Simplify right side
    870,011.10x = 665,734,007,226.75
  5. Step 5: Solve for x
    x = 665,734,007,226.75/870,011.10
  6. Step 6: Final answer
    x = 765,201.74

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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.