Home / 918,461.51-1,377,706.31-349,874.18

Finding the Fourth Proportional to 918,461.51, 1,377,706.31 and 349,874.18

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Solution

The fourth proportional to 918,461.51, 1,377,706.31 and 349,874.18 is: 524,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,461.51 : 1,377,706.31 = 349,874.18 : x
  2. Step 2: Convert to fraction form
    918,461.51/1,377,706.31 = 349,874.18/x
  3. Step 3: Cross multiply
    918,461.51x = 1,377,706.31 × 349,874.18
  4. Step 4: Simplify right side
    918,461.51x = 482,023,863,742.71
  5. Step 5: Solve for x
    x = 482,023,863,742.71/918,461.51
  6. Step 6: Final answer
    x = 524,816.62

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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.