Home / 673,769.40-1,010,654.10-434,620.95

Finding the Fourth Proportional to 673,769.40, 1,010,654.10 and 434,620.95

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Solution

The fourth proportional to 673,769.40, 1,010,654.10 and 434,620.95 is: 651,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,769.40 : 1,010,654.10 = 434,620.95 : x
  2. Step 2: Convert to fraction form
    673,769.40/1,010,654.10 = 434,620.95/x
  3. Step 3: Cross multiply
    673,769.40x = 1,010,654.10 × 434,620.95
  4. Step 4: Simplify right side
    673,769.40x = 439,251,445,063.40
  5. Step 5: Solve for x
    x = 439,251,445,063.40/673,769.40
  6. Step 6: Final answer
    x = 651,931.43

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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.