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Finding the Fourth Proportional to 608,886.12, 840,264.48 and 336,972.76

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Solution

The fourth proportional to 608,886.12, 840,264.48 and 336,972.76 is: 465,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,886.12 : 840,264.48 = 336,972.76 : x
  2. Step 2: Convert to fraction form
    608,886.12/840,264.48 = 336,972.76/x
  3. Step 3: Cross multiply
    608,886.12x = 840,264.48 × 336,972.76
  4. Step 4: Simplify right side
    608,886.12x = 283,146,243,581.39
  5. Step 5: Solve for x
    x = 283,146,243,581.39/608,886.12
  6. Step 6: Final answer
    x = 465,023.32

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1.5x scale

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.