Home / 835,389.28-1,152,562.80-472,777.12

Finding the Fourth Proportional to 835,389.28, 1,152,562.80 and 472,777.12

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Solution

The fourth proportional to 835,389.28, 1,152,562.80 and 472,777.12 is: 652,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,389.28 : 1,152,562.80 = 472,777.12 : x
  2. Step 2: Convert to fraction form
    835,389.28/1,152,562.80 = 472,777.12/x
  3. Step 3: Cross multiply
    835,389.28x = 1,152,562.80 × 472,777.12
  4. Step 4: Simplify right side
    835,389.28x = 544,905,321,203.14
  5. Step 5: Solve for x
    x = 544,905,321,203.14/835,389.28
  6. Step 6: Final answer
    x = 652,277.13

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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.