Home / 841,815.65-1,262,910.45-242,730.20

Finding the Fourth Proportional to 841,815.65, 1,262,910.45 and 242,730.20

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Solution

The fourth proportional to 841,815.65, 1,262,910.45 and 242,730.20 is: 364,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,815.65 : 1,262,910.45 = 242,730.20 : x
  2. Step 2: Convert to fraction form
    841,815.65/1,262,910.45 = 242,730.20/x
  3. Step 3: Cross multiply
    841,815.65x = 1,262,910.45 × 242,730.20
  4. Step 4: Simplify right side
    841,815.65x = 306,546,506,110.59
  5. Step 5: Solve for x
    x = 306,546,506,110.59/841,815.65
  6. Step 6: Final answer
    x = 364,149.21

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1.5x scale

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.