Home / 558,851.09-771,214.59-304,202.25

Finding the Fourth Proportional to 558,851.09, 771,214.59 and 304,202.25

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Solution

The fourth proportional to 558,851.09, 771,214.59 and 304,202.25 is: 419,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,851.09 : 771,214.59 = 304,202.25 : x
  2. Step 2: Convert to fraction form
    558,851.09/771,214.59 = 304,202.25/x
  3. Step 3: Cross multiply
    558,851.09x = 771,214.59 × 304,202.25
  4. Step 4: Simplify right side
    558,851.09x = 234,605,213,510.83
  5. Step 5: Solve for x
    x = 234,605,213,510.83/558,851.09
  6. Step 6: Final answer
    x = 419,799.16

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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.