Home / 712,915.16-1,069,022.64-352,669.76

Finding the Fourth Proportional to 712,915.16, 1,069,022.64 and 352,669.76

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Solution

The fourth proportional to 712,915.16, 1,069,022.64 and 352,669.76 is: 528,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,915.16 : 1,069,022.64 = 352,669.76 : x
  2. Step 2: Convert to fraction form
    712,915.16/1,069,022.64 = 352,669.76/x
  3. Step 3: Cross multiply
    712,915.16x = 1,069,022.64 × 352,669.76
  4. Step 4: Simplify right side
    712,915.16x = 377,011,957,883.37
  5. Step 5: Solve for x
    x = 377,011,957,883.37/712,915.16
  6. Step 6: Final answer
    x = 528,831.45

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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.