Home / 897,501.75-1,238,556.47-489,602.32

Finding the Fourth Proportional to 897,501.75, 1,238,556.47 and 489,602.32

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Solution

The fourth proportional to 897,501.75, 1,238,556.47 and 489,602.32 is: 675,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,501.75 : 1,238,556.47 = 489,602.32 : x
  2. Step 2: Convert to fraction form
    897,501.75/1,238,556.47 = 489,602.32/x
  3. Step 3: Cross multiply
    897,501.75x = 1,238,556.47 × 489,602.32
  4. Step 4: Simplify right side
    897,501.75x = 606,400,121,163.01
  5. Step 5: Solve for x
    x = 606,400,121,163.01/897,501.75
  6. Step 6: Final answer
    x = 675,653.41

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Double scale
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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.