Home / 672,907.12-1,009,461.66-217,346.21

Finding the Fourth Proportional to 672,907.12, 1,009,461.66 and 217,346.21

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Solution

The fourth proportional to 672,907.12, 1,009,461.66 and 217,346.21 is: 326,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,907.12 : 1,009,461.66 = 217,346.21 : x
  2. Step 2: Convert to fraction form
    672,907.12/1,009,461.66 = 217,346.21/x
  3. Step 3: Cross multiply
    672,907.12x = 1,009,461.66 × 217,346.21
  4. Step 4: Simplify right side
    672,907.12x = 219,402,665,941.31
  5. Step 5: Solve for x
    x = 219,402,665,941.31/672,907.12
  6. Step 6: Final answer
    x = 326,051.93

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Double scale
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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.