Home / 402,004.36-554,741.13-220,715.26

Finding the Fourth Proportional to 402,004.36, 554,741.13 and 220,715.26

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Solution

The fourth proportional to 402,004.36, 554,741.13 and 220,715.26 is: 304,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,004.36 : 554,741.13 = 220,715.26 : x
  2. Step 2: Convert to fraction form
    402,004.36/554,741.13 = 220,715.26/x
  3. Step 3: Cross multiply
    402,004.36x = 554,741.13 × 220,715.26
  4. Step 4: Simplify right side
    402,004.36x = 122,439,832,740.64
  5. Step 5: Solve for x
    x = 122,439,832,740.64/402,004.36
  6. Step 6: Final answer
    x = 304,573.40

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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.