Home / 768,047.80-1,152,417.30-368,534.20

Finding the Fourth Proportional to 768,047.80, 1,152,417.30 and 368,534.20

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Solution

The fourth proportional to 768,047.80, 1,152,417.30 and 368,534.20 is: 552,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,047.80 : 1,152,417.30 = 368,534.20 : x
  2. Step 2: Convert to fraction form
    768,047.80/1,152,417.30 = 368,534.20/x
  3. Step 3: Cross multiply
    768,047.80x = 1,152,417.30 × 368,534.20
  4. Step 4: Simplify right side
    768,047.80x = 424,705,187,721.66
  5. Step 5: Solve for x
    x = 424,705,187,721.66/768,047.80
  6. Step 6: Final answer
    x = 552,967.13

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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.