Home / 903,138.76-1,245,309.96-576,014.32

Finding the Fourth Proportional to 903,138.76, 1,245,309.96 and 576,014.32

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Solution

The fourth proportional to 903,138.76, 1,245,309.96 and 576,014.32 is: 794,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,138.76 : 1,245,309.96 = 576,014.32 : x
  2. Step 2: Convert to fraction form
    903,138.76/1,245,309.96 = 576,014.32/x
  3. Step 3: Cross multiply
    903,138.76x = 1,245,309.96 × 576,014.32
  4. Step 4: Simplify right side
    903,138.76x = 717,316,369,798.63
  5. Step 5: Solve for x
    x = 717,316,369,798.63/903,138.76
  6. Step 6: Final answer
    x = 794,248.24

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Double scale
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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.