Home / 899,077.20-1,240,726.51-496,669.20

Finding the Fourth Proportional to 899,077.20, 1,240,726.51 and 496,669.20

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Solution

The fourth proportional to 899,077.20, 1,240,726.51 and 496,669.20 is: 685,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,077.20 : 1,240,726.51 = 496,669.20 : x
  2. Step 2: Convert to fraction form
    899,077.20/1,240,726.51 = 496,669.20/x
  3. Step 3: Cross multiply
    899,077.20x = 1,240,726.51 × 496,669.20
  4. Step 4: Simplify right side
    899,077.20x = 616,230,643,140.49
  5. Step 5: Solve for x
    x = 616,230,643,140.49/899,077.20
  6. Step 6: Final answer
    x = 685,403.48

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Double scale
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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.