Home / 742,543.20-1,113,941.16-293,028.84

Finding the Fourth Proportional to 742,543.20, 1,113,941.16 and 293,028.84

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Solution

The fourth proportional to 742,543.20, 1,113,941.16 and 293,028.84 is: 439,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,543.20 : 1,113,941.16 = 293,028.84 : x
  2. Step 2: Convert to fraction form
    742,543.20/1,113,941.16 = 293,028.84/x
  3. Step 3: Cross multiply
    742,543.20x = 1,113,941.16 × 293,028.84
  4. Step 4: Simplify right side
    742,543.20x = 326,416,885,943.05
  5. Step 5: Solve for x
    x = 326,416,885,943.05/742,543.20
  6. Step 6: Final answer
    x = 439,593.13

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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.