Home / 891,697.80-1,335,263.08-491,894.20

Finding the Fourth Proportional to 891,697.80, 1,335,263.08 and 491,894.20

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Solution

The fourth proportional to 891,697.80, 1,335,263.08 and 491,894.20 is: 736,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,697.80 : 1,335,263.08 = 491,894.20 : x
  2. Step 2: Convert to fraction form
    891,697.80/1,335,263.08 = 491,894.20/x
  3. Step 3: Cross multiply
    891,697.80x = 1,335,263.08 × 491,894.20
  4. Step 4: Simplify right side
    891,697.80x = 656,808,164,526.14
  5. Step 5: Solve for x
    x = 656,808,164,526.14/891,697.80
  6. Step 6: Final answer
    x = 736,581.57

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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.