Home / 897,904.15-1,239,133.83-490,032.22

Finding the Fourth Proportional to 897,904.15, 1,239,133.83 and 490,032.22

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Solution

The fourth proportional to 897,904.15, 1,239,133.83 and 490,032.22 is: 676,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,904.15 : 1,239,133.83 = 490,032.22 : x
  2. Step 2: Convert to fraction form
    897,904.15/1,239,133.83 = 490,032.22/x
  3. Step 3: Cross multiply
    897,904.15x = 1,239,133.83 × 490,032.22
  4. Step 4: Simplify right side
    897,904.15x = 607,215,501,592.00
  5. Step 5: Solve for x
    x = 607,215,501,592.00/897,904.15
  6. Step 6: Final answer
    x = 676,258.71

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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.