Home / 545,317.16-752,342.90-315,749.12

Finding the Fourth Proportional to 545,317.16, 752,342.90 and 315,749.12

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Solution

The fourth proportional to 545,317.16, 752,342.90 and 315,749.12 is: 435,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,317.16 : 752,342.90 = 315,749.12 : x
  2. Step 2: Convert to fraction form
    545,317.16/752,342.90 = 315,749.12/x
  3. Step 3: Cross multiply
    545,317.16x = 752,342.90 × 315,749.12
  4. Step 4: Simplify right side
    545,317.16x = 237,551,603,272.79
  5. Step 5: Solve for x
    x = 237,551,603,272.79/545,317.16
  6. Step 6: Final answer
    x = 435,621.00

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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.