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Finding the Fourth Proportional to 650,036.54, 896,864.10 and 374,343.32

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Solution

The fourth proportional to 650,036.54, 896,864.10 and 374,343.32 is: 516,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,036.54 : 896,864.10 = 374,343.32 : x
  2. Step 2: Convert to fraction form
    650,036.54/896,864.10 = 374,343.32/x
  3. Step 3: Cross multiply
    650,036.54x = 896,864.10 × 374,343.32
  4. Step 4: Simplify right side
    650,036.54x = 335,735,085,621.19
  5. Step 5: Solve for x
    x = 335,735,085,621.19/650,036.54
  6. Step 6: Final answer
    x = 516,486.48

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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.