Home / 977,389.13-1,465,060.22-409,095.65

Finding the Fourth Proportional to 977,389.13, 1,465,060.22 and 409,095.65

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Solution

The fourth proportional to 977,389.13, 1,465,060.22 and 409,095.65 is: 613,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,389.13 : 1,465,060.22 = 409,095.65 : x
  2. Step 2: Convert to fraction form
    977,389.13/1,465,060.22 = 409,095.65/x
  3. Step 3: Cross multiply
    977,389.13x = 1,465,060.22 × 409,095.65
  4. Step 4: Simplify right side
    977,389.13x = 599,349,760,944.57
  5. Step 5: Solve for x
    x = 599,349,760,944.57/977,389.13
  6. Step 6: Final answer
    x = 613,215.09

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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.