Home / 865,985.16-1,195,038.84-484,047.48

Finding the Fourth Proportional to 865,985.16, 1,195,038.84 and 484,047.48

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Solution

The fourth proportional to 865,985.16, 1,195,038.84 and 484,047.48 is: 667,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,985.16 : 1,195,038.84 = 484,047.48 : x
  2. Step 2: Convert to fraction form
    865,985.16/1,195,038.84 = 484,047.48/x
  3. Step 3: Cross multiply
    865,985.16x = 1,195,038.84 × 484,047.48
  4. Step 4: Simplify right side
    865,985.16x = 578,455,539,004.12
  5. Step 5: Solve for x
    x = 578,455,539,004.12/865,985.16
  6. Step 6: Final answer
    x = 667,973.96

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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.