Home / 750,280.96-1,035,486.24-427,917.16

Finding the Fourth Proportional to 750,280.96, 1,035,486.24 and 427,917.16

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Solution

The fourth proportional to 750,280.96, 1,035,486.24 and 427,917.16 is: 590,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,280.96 : 1,035,486.24 = 427,917.16 : x
  2. Step 2: Convert to fraction form
    750,280.96/1,035,486.24 = 427,917.16/x
  3. Step 3: Cross multiply
    750,280.96x = 1,035,486.24 × 427,917.16
  4. Step 4: Simplify right side
    750,280.96x = 443,102,331,039.88
  5. Step 5: Solve for x
    x = 443,102,331,039.88/750,280.96
  6. Step 6: Final answer
    x = 590,581.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.