Home / 668,886.20-1,003,329.30-403,465.40

Finding the Fourth Proportional to 668,886.20, 1,003,329.30 and 403,465.40

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Solution

The fourth proportional to 668,886.20, 1,003,329.30 and 403,465.40 is: 605,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,886.20 : 1,003,329.30 = 403,465.40 : x
  2. Step 2: Convert to fraction form
    668,886.20/1,003,329.30 = 403,465.40/x
  3. Step 3: Cross multiply
    668,886.20x = 1,003,329.30 × 403,465.40
  4. Step 4: Simplify right side
    668,886.20x = 404,808,657,356.22
  5. Step 5: Solve for x
    x = 404,808,657,356.22/668,886.20
  6. Step 6: Final answer
    x = 605,198.10

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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.