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Finding the Fourth Proportional to 706,430.46, 974,844.39 and 400,527.42

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Solution

The fourth proportional to 706,430.46, 974,844.39 and 400,527.42 is: 552,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,430.46 : 974,844.39 = 400,527.42 : x
  2. Step 2: Convert to fraction form
    706,430.46/974,844.39 = 400,527.42/x
  3. Step 3: Cross multiply
    706,430.46x = 974,844.39 × 400,527.42
  4. Step 4: Simplify right side
    706,430.46x = 390,451,908,428.17
  5. Step 5: Solve for x
    x = 390,451,908,428.17/706,430.46
  6. Step 6: Final answer
    x = 552,711.03

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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.