Home / 510,995.08-766,585.02-211,312.96

Finding the Fourth Proportional to 510,995.08, 766,585.02 and 211,312.96

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Solution

The fourth proportional to 510,995.08, 766,585.02 and 211,312.96 is: 317,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,995.08 : 766,585.02 = 211,312.96 : x
  2. Step 2: Convert to fraction form
    510,995.08/766,585.02 = 211,312.96/x
  3. Step 3: Cross multiply
    510,995.08x = 766,585.02 × 211,312.96
  4. Step 4: Simplify right side
    510,995.08x = 161,989,349,667.86
  5. Step 5: Solve for x
    x = 161,989,349,667.86/510,995.08
  6. Step 6: Final answer
    x = 317,007.65

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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.