Home / 897,497.75-1,238,550.95-489,598.32

Finding the Fourth Proportional to 897,497.75, 1,238,550.95 and 489,598.32

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Solution

The fourth proportional to 897,497.75, 1,238,550.95 and 489,598.32 is: 675,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,497.75 : 1,238,550.95 = 489,598.32 : x
  2. Step 2: Convert to fraction form
    897,497.75/1,238,550.95 = 489,598.32/x
  3. Step 3: Cross multiply
    897,497.75x = 1,238,550.95 × 489,598.32
  4. Step 4: Simplify right side
    897,497.75x = 606,392,461,906.41
  5. Step 5: Solve for x
    x = 606,392,461,906.41/897,497.75
  6. Step 6: Final answer
    x = 675,647.89

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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.