Home / 692,914.11-1,039,700.13-480,009.66

Finding the Fourth Proportional to 692,914.11, 1,039,700.13 and 480,009.66

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Solution

The fourth proportional to 692,914.11, 1,039,700.13 and 480,009.66 is: 720,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,914.11 : 1,039,700.13 = 480,009.66 : x
  2. Step 2: Convert to fraction form
    692,914.11/1,039,700.13 = 480,009.66/x
  3. Step 3: Cross multiply
    692,914.11x = 1,039,700.13 × 480,009.66
  4. Step 4: Simplify right side
    692,914.11x = 499,066,105,903.26
  5. Step 5: Solve for x
    x = 499,066,105,903.26/692,914.11
  6. Step 6: Final answer
    x = 720,242.38

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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.