Home / 761,856.04-1,051,290.66-422,295.40

Finding the Fourth Proportional to 761,856.04, 1,051,290.66 and 422,295.40

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Solution

The fourth proportional to 761,856.04, 1,051,290.66 and 422,295.40 is: 582,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,856.04 : 1,051,290.66 = 422,295.40 : x
  2. Step 2: Convert to fraction form
    761,856.04/1,051,290.66 = 422,295.40/x
  3. Step 3: Cross multiply
    761,856.04x = 1,051,290.66 × 422,295.40
  4. Step 4: Simplify right side
    761,856.04x = 443,955,209,780.96
  5. Step 5: Solve for x
    x = 443,955,209,780.96/761,856.04
  6. Step 6: Final answer
    x = 582,728.48

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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.