Home / 418,721.36-577,705.08-237,419.06

Finding the Fourth Proportional to 418,721.36, 577,705.08 and 237,419.06

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Solution

The fourth proportional to 418,721.36, 577,705.08 and 237,419.06 is: 327,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,721.36 : 577,705.08 = 237,419.06 : x
  2. Step 2: Convert to fraction form
    418,721.36/577,705.08 = 237,419.06/x
  3. Step 3: Cross multiply
    418,721.36x = 577,705.08 × 237,419.06
  4. Step 4: Simplify right side
    418,721.36x = 137,158,197,050.83
  5. Step 5: Solve for x
    x = 137,158,197,050.83/418,721.36
  6. Step 6: Final answer
    x = 327,564.37

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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.