Home / 839,646.34-1,158,711.87-457,675.72

Finding the Fourth Proportional to 839,646.34, 1,158,711.87 and 457,675.72

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Solution

The fourth proportional to 839,646.34, 1,158,711.87 and 457,675.72 is: 631,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,646.34 : 1,158,711.87 = 457,675.72 : x
  2. Step 2: Convert to fraction form
    839,646.34/1,158,711.87 = 457,675.72/x
  3. Step 3: Cross multiply
    839,646.34x = 1,158,711.87 × 457,675.72
  4. Step 4: Simplify right side
    839,646.34x = 530,314,289,374.80
  5. Step 5: Solve for x
    x = 530,314,289,374.80/839,646.34
  6. Step 6: Final answer
    x = 631,592.45

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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.