Home / 896,878.28-1,237,635.78-514,636.04

Finding the Fourth Proportional to 896,878.28, 1,237,635.78 and 514,636.04

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Solution

The fourth proportional to 896,878.28, 1,237,635.78 and 514,636.04 is: 710,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,878.28 : 1,237,635.78 = 514,636.04 : x
  2. Step 2: Convert to fraction form
    896,878.28/1,237,635.78 = 514,636.04/x
  3. Step 3: Cross multiply
    896,878.28x = 1,237,635.78 × 514,636.04
  4. Step 4: Simplify right side
    896,878.28x = 636,931,976,781.51
  5. Step 5: Solve for x
    x = 636,931,976,781.51/896,878.28
  6. Step 6: Final answer
    x = 710,165.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.