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Finding the Fourth Proportional to 560,594.14, 773,637.95 and 318,870.50

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Solution

The fourth proportional to 560,594.14, 773,637.95 and 318,870.50 is: 440,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,594.14 : 773,637.95 = 318,870.50 : x
  2. Step 2: Convert to fraction form
    560,594.14/773,637.95 = 318,870.50/x
  3. Step 3: Cross multiply
    560,594.14x = 773,637.95 × 318,870.50
  4. Step 4: Simplify right side
    560,594.14x = 246,690,316,864.46
  5. Step 5: Solve for x
    x = 246,690,316,864.46/560,594.14
  6. Step 6: Final answer
    x = 440,051.55

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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.