Home / 774,200.90-1,161,301.35-490,765.70

Finding the Fourth Proportional to 774,200.90, 1,161,301.35 and 490,765.70

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Solution

The fourth proportional to 774,200.90, 1,161,301.35 and 490,765.70 is: 736,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,200.90 : 1,161,301.35 = 490,765.70 : x
  2. Step 2: Convert to fraction form
    774,200.90/1,161,301.35 = 490,765.70/x
  3. Step 3: Cross multiply
    774,200.90x = 1,161,301.35 × 490,765.70
  4. Step 4: Simplify right side
    774,200.90x = 569,926,869,943.70
  5. Step 5: Solve for x
    x = 569,926,869,943.70/774,200.90
  6. Step 6: Final answer
    x = 736,148.55

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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.