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Finding the Fourth Proportional to 635,071.92, 956,409.54 and 578,384.88

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Solution

The fourth proportional to 635,071.92, 956,409.54 and 578,384.88 is: 871,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,071.92 : 956,409.54 = 578,384.88 : x
  2. Step 2: Convert to fraction form
    635,071.92/956,409.54 = 578,384.88/x
  3. Step 3: Cross multiply
    635,071.92x = 956,409.54 × 578,384.88
  4. Step 4: Simplify right side
    635,071.92x = 553,172,817,023.76
  5. Step 5: Solve for x
    x = 553,172,817,023.76/635,071.92
  6. Step 6: Final answer
    x = 871,039.64

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.