Home / 549,972.36-758,386.26-407,032.20

Finding the Fourth Proportional to 549,972.36, 758,386.26 and 407,032.20

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Solution

The fourth proportional to 549,972.36, 758,386.26 and 407,032.20 is: 561,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,972.36 : 758,386.26 = 407,032.20 : x
  2. Step 2: Convert to fraction form
    549,972.36/758,386.26 = 407,032.20/x
  3. Step 3: Cross multiply
    549,972.36x = 758,386.26 × 407,032.20
  4. Step 4: Simplify right side
    549,972.36x = 308,687,627,857.57
  5. Step 5: Solve for x
    x = 308,687,627,857.57/549,972.36
  6. Step 6: Final answer
    x = 561,278.44

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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.