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Finding the Fourth Proportional to 893,559.80, 1,340,210.10 and 262,407.80

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Solution

The fourth proportional to 893,559.80, 1,340,210.10 and 262,407.80 is: 393,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,559.80 : 1,340,210.10 = 262,407.80 : x
  2. Step 2: Convert to fraction form
    893,559.80/1,340,210.10 = 262,407.80/x
  3. Step 3: Cross multiply
    893,559.80x = 1,340,210.10 × 262,407.80
  4. Step 4: Simplify right side
    893,559.80x = 351,681,583,878.78
  5. Step 5: Solve for x
    x = 351,681,583,878.78/893,559.80
  6. Step 6: Final answer
    x = 393,573.64

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1.5x scale

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.