Home / 897,434.16-1,238,482.50-489,542.88

Finding the Fourth Proportional to 897,434.16, 1,238,482.50 and 489,542.88

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Solution

The fourth proportional to 897,434.16, 1,238,482.50 and 489,542.88 is: 675,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,434.16 : 1,238,482.50 = 489,542.88 : x
  2. Step 2: Convert to fraction form
    897,434.16/1,238,482.50 = 489,542.88/x
  3. Step 3: Cross multiply
    897,434.16x = 1,238,482.50 × 489,542.88
  4. Step 4: Simplify right side
    897,434.16x = 606,290,289,879.60
  5. Step 5: Solve for x
    x = 606,290,289,879.60/897,434.16
  6. Step 6: Final answer
    x = 675,581.92

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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.