Home / 525,621.18-788,930.23-325,335.72

Finding the Fourth Proportional to 525,621.18, 788,930.23 and 325,335.72

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Solution

The fourth proportional to 525,621.18, 788,930.23 and 325,335.72 is: 488,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,621.18 : 788,930.23 = 325,335.72 : x
  2. Step 2: Convert to fraction form
    525,621.18/788,930.23 = 325,335.72/x
  3. Step 3: Cross multiply
    525,621.18x = 788,930.23 × 325,335.72
  4. Step 4: Simplify right side
    525,621.18x = 256,667,184,406.82
  5. Step 5: Solve for x
    x = 256,667,184,406.82/525,621.18
  6. Step 6: Final answer
    x = 488,312.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.