Home / 790,995.78-1,186,695.36-230,030.28

Finding the Fourth Proportional to 790,995.78, 1,186,695.36 and 230,030.28

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Solution

The fourth proportional to 790,995.78, 1,186,695.36 and 230,030.28 is: 345,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,995.78 : 1,186,695.36 = 230,030.28 : x
  2. Step 2: Convert to fraction form
    790,995.78/1,186,695.36 = 230,030.28/x
  3. Step 3: Cross multiply
    790,995.78x = 1,186,695.36 × 230,030.28
  4. Step 4: Simplify right side
    790,995.78x = 272,975,865,935.50
  5. Step 5: Solve for x
    x = 272,975,865,935.50/790,995.78
  6. Step 6: Final answer
    x = 345,104.07

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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.