Home / 692,954.47-1,039,499.63-288,062.95

Finding the Fourth Proportional to 692,954.47, 1,039,499.63 and 288,062.95

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Solution

The fourth proportional to 692,954.47, 1,039,499.63 and 288,062.95 is: 432,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,954.47 : 1,039,499.63 = 288,062.95 : x
  2. Step 2: Convert to fraction form
    692,954.47/1,039,499.63 = 288,062.95/x
  3. Step 3: Cross multiply
    692,954.47x = 1,039,499.63 × 288,062.95
  4. Step 4: Simplify right side
    692,954.47x = 299,441,329,941.71
  5. Step 5: Solve for x
    x = 299,441,329,941.71/692,954.47
  6. Step 6: Final answer
    x = 432,122.66

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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.