Home / 917,717.45-1,376,576.55-348,967.13

Finding the Fourth Proportional to 917,717.45, 1,376,576.55 and 348,967.13

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Solution

The fourth proportional to 917,717.45, 1,376,576.55 and 348,967.13 is: 523,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,717.45 : 1,376,576.55 = 348,967.13 : x
  2. Step 2: Convert to fraction form
    917,717.45/1,376,576.55 = 348,967.13/x
  3. Step 3: Cross multiply
    917,717.45x = 1,376,576.55 × 348,967.13
  4. Step 4: Simplify right side
    917,717.45x = 480,379,960,995.92
  5. Step 5: Solve for x
    x = 480,379,960,995.92/917,717.45
  6. Step 6: Final answer
    x = 523,450.83

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1.5x scale

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.