Home / 549,343.32-758,141.47-307,621.50

Finding the Fourth Proportional to 549,343.32, 758,141.47 and 307,621.50

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Solution

The fourth proportional to 549,343.32, 758,141.47 and 307,621.50 is: 424,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,343.32 : 758,141.47 = 307,621.50 : x
  2. Step 2: Convert to fraction form
    549,343.32/758,141.47 = 307,621.50/x
  3. Step 3: Cross multiply
    549,343.32x = 758,141.47 × 307,621.50
  4. Step 4: Simplify right side
    549,343.32x = 233,220,616,213.61
  5. Step 5: Solve for x
    x = 233,220,616,213.61/549,343.32
  6. Step 6: Final answer
    x = 424,544.37

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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.