Home / 891,351.90-1,335,861.45-358,436.70

Finding the Fourth Proportional to 891,351.90, 1,335,861.45 and 358,436.70

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Solution

The fourth proportional to 891,351.90, 1,335,861.45 and 358,436.70 is: 537,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,351.90 : 1,335,861.45 = 358,436.70 : x
  2. Step 2: Convert to fraction form
    891,351.90/1,335,861.45 = 358,436.70/x
  3. Step 3: Cross multiply
    891,351.90x = 1,335,861.45 × 358,436.70
  4. Step 4: Simplify right side
    891,351.90x = 478,821,769,795.22
  5. Step 5: Solve for x
    x = 478,821,769,795.22/891,351.90
  6. Step 6: Final answer
    x = 537,186.01

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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.