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Finding the Fourth Proportional to 574,243.16, 792,460.93 and 316,125.22

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Solution

The fourth proportional to 574,243.16, 792,460.93 and 316,125.22 is: 436,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,243.16 : 792,460.93 = 316,125.22 : x
  2. Step 2: Convert to fraction form
    574,243.16/792,460.93 = 316,125.22/x
  3. Step 3: Cross multiply
    574,243.16x = 792,460.93 × 316,125.22
  4. Step 4: Simplify right side
    574,243.16x = 250,516,889,047.89
  5. Step 5: Solve for x
    x = 250,516,889,047.89/574,243.16
  6. Step 6: Final answer
    x = 436,255.76

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1.5x scale

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.