Home / 734,428-1,100,608.26-584,000.74

Finding the Fourth Proportional to 734,428, 1,100,608.26 and 584,000.74

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Solution

The fourth proportional to 734,428, 1,100,608.26 and 584,000.74 is: 875,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,428 : 1,100,608.26 = 584,000.74 : x
  2. Step 2: Convert to fraction form
    734,428/1,100,608.26 = 584,000.74/x
  3. Step 3: Cross multiply
    734,428x = 1,100,608.26 × 584,000.74
  4. Step 4: Simplify right side
    734,428x = 642,756,038,290.11
  5. Step 5: Solve for x
    x = 642,756,038,290.11/734,428
  6. Step 6: Final answer
    x = 875,179.10

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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.