Home / 672,699.79-1,009,253.40-240,360.64

Finding the Fourth Proportional to 672,699.79, 1,009,253.40 and 240,360.64

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Solution

The fourth proportional to 672,699.79, 1,009,253.40 and 240,360.64 is: 360,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,699.79 : 1,009,253.40 = 240,360.64 : x
  2. Step 2: Convert to fraction form
    672,699.79/1,009,253.40 = 240,360.64/x
  3. Step 3: Cross multiply
    672,699.79x = 1,009,253.40 × 240,360.64
  4. Step 4: Simplify right side
    672,699.79x = 242,584,793,146.18
  5. Step 5: Solve for x
    x = 242,584,793,146.18/672,699.79
  6. Step 6: Final answer
    x = 360,613.75

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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.