Home / 549,647.28-758,341.08-307,897.20

Finding the Fourth Proportional to 549,647.28, 758,341.08 and 307,897.20

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Solution

The fourth proportional to 549,647.28, 758,341.08 and 307,897.20 is: 424,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,647.28 : 758,341.08 = 307,897.20 : x
  2. Step 2: Convert to fraction form
    549,647.28/758,341.08 = 307,897.20/x
  3. Step 3: Cross multiply
    549,647.28x = 758,341.08 × 307,897.20
  4. Step 4: Simplify right side
    549,647.28x = 233,491,095,176.98
  5. Step 5: Solve for x
    x = 233,491,095,176.98/549,647.28
  6. Step 6: Final answer
    x = 424,801.69

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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.