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Finding the Fourth Proportional to 473,014.80, 708,355.80 and 314,384.40

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Solution

The fourth proportional to 473,014.80, 708,355.80 and 314,384.40 is: 470,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,014.80 : 708,355.80 = 314,384.40 : x
  2. Step 2: Convert to fraction form
    473,014.80/708,355.80 = 314,384.40/x
  3. Step 3: Cross multiply
    473,014.80x = 708,355.80 × 314,384.40
  4. Step 4: Simplify right side
    473,014.80x = 222,696,013,169.52
  5. Step 5: Solve for x
    x = 222,696,013,169.52/473,014.80
  6. Step 6: Final answer
    x = 470,801.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.