Home / 810,827.97-1,118,907.47-443,298.07

Finding the Fourth Proportional to 810,827.97, 1,118,907.47 and 443,298.07

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Solution

The fourth proportional to 810,827.97, 1,118,907.47 and 443,298.07 is: 611,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,827.97 : 1,118,907.47 = 443,298.07 : x
  2. Step 2: Convert to fraction form
    810,827.97/1,118,907.47 = 443,298.07/x
  3. Step 3: Cross multiply
    810,827.97x = 1,118,907.47 × 443,298.07
  4. Step 4: Simplify right side
    810,827.97x = 496,009,518,172.61
  5. Step 5: Solve for x
    x = 496,009,518,172.61/810,827.97
  6. Step 6: Final answer
    x = 611,732.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.