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Finding the Fourth Proportional to 684,597.61, 944,708.83 and 378,669.12

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Solution

The fourth proportional to 684,597.61, 944,708.83 and 378,669.12 is: 522,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,597.61 : 944,708.83 = 378,669.12 : x
  2. Step 2: Convert to fraction form
    684,597.61/944,708.83 = 378,669.12/x
  3. Step 3: Cross multiply
    684,597.61x = 944,708.83 × 378,669.12
  4. Step 4: Simplify right side
    684,597.61x = 357,732,061,312.33
  5. Step 5: Solve for x
    x = 357,732,061,312.33/684,597.61
  6. Step 6: Final answer
    x = 522,543.54

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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.