Home / 921,225.04-1,382,026.20-388,746.16

Finding the Fourth Proportional to 921,225.04, 1,382,026.20 and 388,746.16

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Solution

The fourth proportional to 921,225.04, 1,382,026.20 and 388,746.16 is: 583,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,225.04 : 1,382,026.20 = 388,746.16 : x
  2. Step 2: Convert to fraction form
    921,225.04/1,382,026.20 = 388,746.16/x
  3. Step 3: Cross multiply
    921,225.04x = 1,382,026.20 × 388,746.16
  4. Step 4: Simplify right side
    921,225.04x = 537,257,378,269.39
  5. Step 5: Solve for x
    x = 537,257,378,269.39/921,225.04
  6. Step 6: Final answer
    x = 583,198.84

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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.