Home / 549,630.16-758,480.76-307,911.17

Finding the Fourth Proportional to 549,630.16, 758,480.76 and 307,911.17

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Solution

The fourth proportional to 549,630.16, 758,480.76 and 307,911.17 is: 424,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,630.16 : 758,480.76 = 307,911.17 : x
  2. Step 2: Convert to fraction form
    549,630.16/758,480.76 = 307,911.17/x
  3. Step 3: Cross multiply
    549,630.16x = 758,480.76 × 307,911.17
  4. Step 4: Simplify right side
    549,630.16x = 233,544,700,130.29
  5. Step 5: Solve for x
    x = 233,544,700,130.29/549,630.16
  6. Step 6: Final answer
    x = 424,912.46

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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.