Home / 718,184.75-1,077,534.35-307,681.80

Finding the Fourth Proportional to 718,184.75, 1,077,534.35 and 307,681.80

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Solution

The fourth proportional to 718,184.75, 1,077,534.35 and 307,681.80 is: 461,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,184.75 : 1,077,534.35 = 307,681.80 : x
  2. Step 2: Convert to fraction form
    718,184.75/1,077,534.35 = 307,681.80/x
  3. Step 3: Cross multiply
    718,184.75x = 1,077,534.35 × 307,681.80
  4. Step 4: Simplify right side
    718,184.75x = 331,537,706,831.42
  5. Step 5: Solve for x
    x = 331,537,706,831.42/718,184.75
  6. Step 6: Final answer
    x = 461,632.90

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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.