Home / 833,749.29-1,250,001.86-390,413.61

Finding the Fourth Proportional to 833,749.29, 1,250,001.86 and 390,413.61

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Solution

The fourth proportional to 833,749.29, 1,250,001.86 and 390,413.61 is: 585,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,749.29 : 1,250,001.86 = 390,413.61 : x
  2. Step 2: Convert to fraction form
    833,749.29/1,250,001.86 = 390,413.61/x
  3. Step 3: Cross multiply
    833,749.29x = 1,250,001.86 × 390,413.61
  4. Step 4: Simplify right side
    833,749.29x = 488,017,736,717.25
  5. Step 5: Solve for x
    x = 488,017,736,717.25/833,749.29
  6. Step 6: Final answer
    x = 585,329.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.