Home / 948,306.66-1,308,662.40-518,586.66

Finding the Fourth Proportional to 948,306.66, 1,308,662.40 and 518,586.66

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Solution

The fourth proportional to 948,306.66, 1,308,662.40 and 518,586.66 is: 715,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,306.66 : 1,308,662.40 = 518,586.66 : x
  2. Step 2: Convert to fraction form
    948,306.66/1,308,662.40 = 518,586.66/x
  3. Step 3: Cross multiply
    948,306.66x = 1,308,662.40 × 518,586.66
  4. Step 4: Simplify right side
    948,306.66x = 678,654,863,083.58
  5. Step 5: Solve for x
    x = 678,654,863,083.58/948,306.66
  6. Step 6: Final answer
    x = 715,649.16

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1.5x scale

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.