Home / 692,310.12-1,036,454.02-403,240.36

Finding the Fourth Proportional to 692,310.12, 1,036,454.02 and 403,240.36

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Solution

The fourth proportional to 692,310.12, 1,036,454.02 and 403,240.36 is: 603,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,310.12 : 1,036,454.02 = 403,240.36 : x
  2. Step 2: Convert to fraction form
    692,310.12/1,036,454.02 = 403,240.36/x
  3. Step 3: Cross multiply
    692,310.12x = 1,036,454.02 × 403,240.36
  4. Step 4: Simplify right side
    692,310.12x = 417,940,088,549.01
  5. Step 5: Solve for x
    x = 417,940,088,549.01/692,310.12
  6. Step 6: Final answer
    x = 603,689.12

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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.