Home / 768,875.34-1,061,043.75-424,734.96

Finding the Fourth Proportional to 768,875.34, 1,061,043.75 and 424,734.96

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Solution

The fourth proportional to 768,875.34, 1,061,043.75 and 424,734.96 is: 586,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,875.34 : 1,061,043.75 = 424,734.96 : x
  2. Step 2: Convert to fraction form
    768,875.34/1,061,043.75 = 424,734.96/x
  3. Step 3: Cross multiply
    768,875.34x = 1,061,043.75 × 424,734.96
  4. Step 4: Simplify right side
    768,875.34x = 450,662,374,714.50
  5. Step 5: Solve for x
    x = 450,662,374,714.50/768,875.34
  6. Step 6: Final answer
    x = 586,131.91

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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.