Home / 715,123.04-1,072,667.92-360,041.72

Finding the Fourth Proportional to 715,123.04, 1,072,667.92 and 360,041.72

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Solution

The fourth proportional to 715,123.04, 1,072,667.92 and 360,041.72 is: 540,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,123.04 : 1,072,667.92 = 360,041.72 : x
  2. Step 2: Convert to fraction form
    715,123.04/1,072,667.92 = 360,041.72/x
  3. Step 3: Cross multiply
    715,123.04x = 1,072,667.92 × 360,041.72
  4. Step 4: Simplify right side
    715,123.04x = 386,205,202,905.62
  5. Step 5: Solve for x
    x = 386,205,202,905.62/715,123.04
  6. Step 6: Final answer
    x = 540,054.20

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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.