Home / 669,547.83-1,003,952.70-348,899.48

Finding the Fourth Proportional to 669,547.83, 1,003,952.70 and 348,899.48

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Solution

The fourth proportional to 669,547.83, 1,003,952.70 and 348,899.48 is: 523,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,547.83 : 1,003,952.70 = 348,899.48 : x
  2. Step 2: Convert to fraction form
    669,547.83/1,003,952.70 = 348,899.48/x
  3. Step 3: Cross multiply
    669,547.83x = 1,003,952.70 × 348,899.48
  4. Step 4: Simplify right side
    669,547.83x = 350,278,569,954.83
  5. Step 5: Solve for x
    x = 350,278,569,954.83/669,547.83
  6. Step 6: Final answer
    x = 523,156.90

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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.