Home / 972,002.70-1,458,004.05-340,688.70

Finding the Fourth Proportional to 972,002.70, 1,458,004.05 and 340,688.70

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Solution

The fourth proportional to 972,002.70, 1,458,004.05 and 340,688.70 is: 511,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,002.70 : 1,458,004.05 = 340,688.70 : x
  2. Step 2: Convert to fraction form
    972,002.70/1,458,004.05 = 340,688.70/x
  3. Step 3: Cross multiply
    972,002.70x = 1,458,004.05 × 340,688.70
  4. Step 4: Simplify right side
    972,002.70x = 496,725,504,389.24
  5. Step 5: Solve for x
    x = 496,725,504,389.24/972,002.70
  6. Step 6: Final answer
    x = 511,033.05

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Double scale
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Similar ratio
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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.