Home / 673,269.40-929,194.08-386,788.96

Finding the Fourth Proportional to 673,269.40, 929,194.08 and 386,788.96

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Solution

The fourth proportional to 673,269.40, 929,194.08 and 386,788.96 is: 533,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,269.40 : 929,194.08 = 386,788.96 : x
  2. Step 2: Convert to fraction form
    673,269.40/929,194.08 = 386,788.96/x
  3. Step 3: Cross multiply
    673,269.40x = 929,194.08 × 386,788.96
  4. Step 4: Simplify right side
    673,269.40x = 359,402,011,841.36
  5. Step 5: Solve for x
    x = 359,402,011,841.36/673,269.40
  6. Step 6: Final answer
    x = 533,816.05

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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.