Home / 913,525.02-1,370,287.53-282,424.86

Finding the Fourth Proportional to 913,525.02, 1,370,287.53 and 282,424.86

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Solution

The fourth proportional to 913,525.02, 1,370,287.53 and 282,424.86 is: 423,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,525.02 : 1,370,287.53 = 282,424.86 : x
  2. Step 2: Convert to fraction form
    913,525.02/1,370,287.53 = 282,424.86/x
  3. Step 3: Cross multiply
    913,525.02x = 1,370,287.53 × 282,424.86
  4. Step 4: Simplify right side
    913,525.02x = 387,003,263,820.00
  5. Step 5: Solve for x
    x = 387,003,263,820.00/913,525.02
  6. Step 6: Final answer
    x = 423,637.29

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.