Home / 904,648.86-1,248,359.51-496,749.06

Finding the Fourth Proportional to 904,648.86, 1,248,359.51 and 496,749.06

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Solution

The fourth proportional to 904,648.86, 1,248,359.51 and 496,749.06 is: 685,483.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,648.86 : 1,248,359.51 = 496,749.06 : x
  2. Step 2: Convert to fraction form
    904,648.86/1,248,359.51 = 496,749.06/x
  3. Step 3: Cross multiply
    904,648.86x = 1,248,359.51 × 496,749.06
  4. Step 4: Simplify right side
    904,648.86x = 620,121,414,376.43
  5. Step 5: Solve for x
    x = 620,121,414,376.43/904,648.86
  6. Step 6: Final answer
    x = 685,483.00

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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.