Home / 765,662.74-1,148,406.63-204,740.98

Finding the Fourth Proportional to 765,662.74, 1,148,406.63 and 204,740.98

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Solution

The fourth proportional to 765,662.74, 1,148,406.63 and 204,740.98 is: 307,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,662.74 : 1,148,406.63 = 204,740.98 : x
  2. Step 2: Convert to fraction form
    765,662.74/1,148,406.63 = 204,740.98/x
  3. Step 3: Cross multiply
    765,662.74x = 1,148,406.63 × 204,740.98
  4. Step 4: Simplify right side
    765,662.74x = 235,125,898,864.70
  5. Step 5: Solve for x
    x = 235,125,898,864.70/765,662.74
  6. Step 6: Final answer
    x = 307,088.08

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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.