Home / 891,810.57-1,337,854.98-292,635.35

Finding the Fourth Proportional to 891,810.57, 1,337,854.98 and 292,635.35

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Solution

The fourth proportional to 891,810.57, 1,337,854.98 and 292,635.35 is: 438,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,810.57 : 1,337,854.98 = 292,635.35 : x
  2. Step 2: Convert to fraction form
    891,810.57/1,337,854.98 = 292,635.35/x
  3. Step 3: Cross multiply
    891,810.57x = 1,337,854.98 × 292,635.35
  4. Step 4: Simplify right side
    891,810.57x = 391,503,653,632.27
  5. Step 5: Solve for x
    x = 391,503,653,632.27/891,810.57
  6. Step 6: Final answer
    x = 438,998.67

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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.