Home / 901,146.32-1,243,532.52-513,904.88

Finding the Fourth Proportional to 901,146.32, 1,243,532.52 and 513,904.88

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Solution

The fourth proportional to 901,146.32, 1,243,532.52 and 513,904.88 is: 709,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,146.32 : 1,243,532.52 = 513,904.88 : x
  2. Step 2: Convert to fraction form
    901,146.32/1,243,532.52 = 513,904.88/x
  3. Step 3: Cross multiply
    901,146.32x = 1,243,532.52 × 513,904.88
  4. Step 4: Simplify right side
    901,146.32x = 639,057,430,466.70
  5. Step 5: Solve for x
    x = 639,057,430,466.70/901,146.32
  6. Step 6: Final answer
    x = 709,160.56

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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.