Home / 763,886.30-1,054,206.90-424,354.55

Finding the Fourth Proportional to 763,886.30, 1,054,206.90 and 424,354.55

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Solution

The fourth proportional to 763,886.30, 1,054,206.90 and 424,354.55 is: 585,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,886.30 : 1,054,206.90 = 424,354.55 : x
  2. Step 2: Convert to fraction form
    763,886.30/1,054,206.90 = 424,354.55/x
  3. Step 3: Cross multiply
    763,886.30x = 1,054,206.90 × 424,354.55
  4. Step 4: Simplify right side
    763,886.30x = 447,357,489,385.36
  5. Step 5: Solve for x
    x = 447,357,489,385.36/763,886.30
  6. Step 6: Final answer
    x = 585,633.61

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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.