Home / 879,559.79-1,319,620.01-393,166.94

Finding the Fourth Proportional to 879,559.79, 1,319,620.01 and 393,166.94

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Solution

The fourth proportional to 879,559.79, 1,319,620.01 and 393,166.94 is: 589,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,559.79 : 1,319,620.01 = 393,166.94 : x
  2. Step 2: Convert to fraction form
    879,559.79/1,319,620.01 = 393,166.94/x
  3. Step 3: Cross multiply
    879,559.79x = 1,319,620.01 × 393,166.94
  4. Step 4: Simplify right side
    879,559.79x = 518,830,952,730.54
  5. Step 5: Solve for x
    x = 518,830,952,730.54/879,559.79
  6. Step 6: Final answer
    x = 589,875.71

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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.