Home / 646,027.20-891,508.65-359,547.24

Finding the Fourth Proportional to 646,027.20, 891,508.65 and 359,547.24

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Solution

The fourth proportional to 646,027.20, 891,508.65 and 359,547.24 is: 496,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,027.20 : 891,508.65 = 359,547.24 : x
  2. Step 2: Convert to fraction form
    646,027.20/891,508.65 = 359,547.24/x
  3. Step 3: Cross multiply
    646,027.20x = 891,508.65 × 359,547.24
  4. Step 4: Simplify right side
    646,027.20x = 320,539,474,543.63
  5. Step 5: Solve for x
    x = 320,539,474,543.63/646,027.20
  6. Step 6: Final answer
    x = 496,170.25

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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.