Home / 538,565.61-743,176.85-312,225.69

Finding the Fourth Proportional to 538,565.61, 743,176.85 and 312,225.69

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Solution

The fourth proportional to 538,565.61, 743,176.85 and 312,225.69 is: 430,846.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,565.61 : 743,176.85 = 312,225.69 : x
  2. Step 2: Convert to fraction form
    538,565.61/743,176.85 = 312,225.69/x
  3. Step 3: Cross multiply
    538,565.61x = 743,176.85 × 312,225.69
  4. Step 4: Simplify right side
    538,565.61x = 232,038,903,222.15
  5. Step 5: Solve for x
    x = 232,038,903,222.15/538,565.61
  6. Step 6: Final answer
    x = 430,846.12

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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.