Home / 900,525.74-1,242,715.84-492,635.66

Finding the Fourth Proportional to 900,525.74, 1,242,715.84 and 492,635.66

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Solution

The fourth proportional to 900,525.74, 1,242,715.84 and 492,635.66 is: 679,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,525.74 : 1,242,715.84 = 492,635.66 : x
  2. Step 2: Convert to fraction form
    900,525.74/1,242,715.84 = 492,635.66/x
  3. Step 3: Cross multiply
    900,525.74x = 1,242,715.84 × 492,635.66
  4. Step 4: Simplify right side
    900,525.74x = 612,206,130,585.69
  5. Step 5: Solve for x
    x = 612,206,130,585.69/900,525.74
  6. Step 6: Final answer
    x = 679,831.91

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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.