Home / 871,526.71-1,307,365.38-240,440.52

Finding the Fourth Proportional to 871,526.71, 1,307,365.38 and 240,440.52

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Solution

The fourth proportional to 871,526.71, 1,307,365.38 and 240,440.52 is: 360,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,526.71 : 1,307,365.38 = 240,440.52 : x
  2. Step 2: Convert to fraction form
    871,526.71/1,307,365.38 = 240,440.52/x
  3. Step 3: Cross multiply
    871,526.71x = 1,307,365.38 × 240,440.52
  4. Step 4: Simplify right side
    871,526.71x = 314,343,611,797.20
  5. Step 5: Solve for x
    x = 314,343,611,797.20/871,526.71
  6. Step 6: Final answer
    x = 360,681.56

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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.