Home / 903,921.08-1,247,407.67-496,029.74

Finding the Fourth Proportional to 903,921.08, 1,247,407.67 and 496,029.74

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Solution

The fourth proportional to 903,921.08, 1,247,407.67 and 496,029.74 is: 684,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,921.08 : 1,247,407.67 = 496,029.74 : x
  2. Step 2: Convert to fraction form
    903,921.08/1,247,407.67 = 496,029.74/x
  3. Step 3: Cross multiply
    903,921.08x = 1,247,407.67 × 496,029.74
  4. Step 4: Simplify right side
    903,921.08x = 618,751,299,743.96
  5. Step 5: Solve for x
    x = 618,751,299,743.96/903,921.08
  6. Step 6: Final answer
    x = 684,519.16

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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.