Home / 869,083.80-1,303,625.70-308,045.40

Finding the Fourth Proportional to 869,083.80, 1,303,625.70 and 308,045.40

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Solution

The fourth proportional to 869,083.80, 1,303,625.70 and 308,045.40 is: 462,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,083.80 : 1,303,625.70 = 308,045.40 : x
  2. Step 2: Convert to fraction form
    869,083.80/1,303,625.70 = 308,045.40/x
  3. Step 3: Cross multiply
    869,083.80x = 1,303,625.70 × 308,045.40
  4. Step 4: Simplify right side
    869,083.80x = 401,575,900,206.78
  5. Step 5: Solve for x
    x = 401,575,900,206.78/869,083.80
  6. Step 6: Final answer
    x = 462,068.10

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Similar ratio
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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.