Home / 865,920.43-1,194,971.93-483,947.20

Finding the Fourth Proportional to 865,920.43, 1,194,971.93 and 483,947.20

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Solution

The fourth proportional to 865,920.43, 1,194,971.93 and 483,947.20 is: 667,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,920.43 : 1,194,971.93 = 483,947.20 : x
  2. Step 2: Convert to fraction form
    865,920.43/1,194,971.93 = 483,947.20/x
  3. Step 3: Cross multiply
    865,920.43x = 1,194,971.93 × 483,947.20
  4. Step 4: Simplify right side
    865,920.43x = 578,303,319,602.10
  5. Step 5: Solve for x
    x = 578,303,319,602.10/865,920.43
  6. Step 6: Final answer
    x = 667,848.11

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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.