Home / 896,108.49-1,344,411.84-390,713.64

Finding the Fourth Proportional to 896,108.49, 1,344,411.84 and 390,713.64

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Solution

The fourth proportional to 896,108.49, 1,344,411.84 and 390,713.64 is: 586,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,108.49 : 1,344,411.84 = 390,713.64 : x
  2. Step 2: Convert to fraction form
    896,108.49/1,344,411.84 = 390,713.64/x
  3. Step 3: Cross multiply
    896,108.49x = 1,344,411.84 × 390,713.64
  4. Step 4: Simplify right side
    896,108.49x = 525,280,043,665.50
  5. Step 5: Solve for x
    x = 525,280,043,665.50/896,108.49
  6. Step 6: Final answer
    x = 586,179.07

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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.