Home / 613,824.30-847,120.14-372,117.06

Finding the Fourth Proportional to 613,824.30, 847,120.14 and 372,117.06

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Solution

The fourth proportional to 613,824.30, 847,120.14 and 372,117.06 is: 513,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,824.30 : 847,120.14 = 372,117.06 : x
  2. Step 2: Convert to fraction form
    613,824.30/847,120.14 = 372,117.06/x
  3. Step 3: Cross multiply
    613,824.30x = 847,120.14 × 372,117.06
  4. Step 4: Simplify right side
    613,824.30x = 315,227,855,963.59
  5. Step 5: Solve for x
    x = 315,227,855,963.59/613,824.30
  6. Step 6: Final answer
    x = 513,547.37

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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.