Home / 904,384.10-1,247,971.32-496,484.30

Finding the Fourth Proportional to 904,384.10, 1,247,971.32 and 496,484.30

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Solution

The fourth proportional to 904,384.10, 1,247,971.32 and 496,484.30 is: 685,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,384.10 : 1,247,971.32 = 496,484.30 : x
  2. Step 2: Convert to fraction form
    904,384.10/1,247,971.32 = 496,484.30/x
  3. Step 3: Cross multiply
    904,384.10x = 1,247,971.32 × 496,484.30
  4. Step 4: Simplify right side
    904,384.10x = 619,598,170,350.20
  5. Step 5: Solve for x
    x = 619,598,170,350.20/904,384.10
  6. Step 6: Final answer
    x = 685,105.11

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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.