Home / 897,905.80-1,348,413.90-478,001.80

Finding the Fourth Proportional to 897,905.80, 1,348,413.90 and 478,001.80

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Solution

The fourth proportional to 897,905.80, 1,348,413.90 and 478,001.80 is: 717,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,905.80 : 1,348,413.90 = 478,001.80 : x
  2. Step 2: Convert to fraction form
    897,905.80/1,348,413.90 = 478,001.80/x
  3. Step 3: Cross multiply
    897,905.80x = 1,348,413.90 × 478,001.80
  4. Step 4: Simplify right side
    897,905.80x = 644,544,271,345.02
  5. Step 5: Solve for x
    x = 644,544,271,345.02/897,905.80
  6. Step 6: Final answer
    x = 717,830.61

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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.