Home / 714,563.87-1,071,030.42-287,826.39

Finding the Fourth Proportional to 714,563.87, 1,071,030.42 and 287,826.39

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Solution

The fourth proportional to 714,563.87, 1,071,030.42 and 287,826.39 is: 431,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,563.87 : 1,071,030.42 = 287,826.39 : x
  2. Step 2: Convert to fraction form
    714,563.87/1,071,030.42 = 287,826.39/x
  3. Step 3: Cross multiply
    714,563.87x = 1,071,030.42 × 287,826.39
  4. Step 4: Simplify right side
    714,563.87x = 308,270,819,368.78
  5. Step 5: Solve for x
    x = 308,270,819,368.78/714,563.87
  6. Step 6: Final answer
    x = 431,411.15

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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.