Home / 913,413.40-1,371,351.30-534,722.20

Finding the Fourth Proportional to 913,413.40, 1,371,351.30 and 534,722.20

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Solution

The fourth proportional to 913,413.40, 1,371,351.30 and 534,722.20 is: 802,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,413.40 : 1,371,351.30 = 534,722.20 : x
  2. Step 2: Convert to fraction form
    913,413.40/1,371,351.30 = 534,722.20/x
  3. Step 3: Cross multiply
    913,413.40x = 1,371,351.30 × 534,722.20
  4. Step 4: Simplify right side
    913,413.40x = 733,291,984,108.86
  5. Step 5: Solve for x
    x = 733,291,984,108.86/913,413.40
  6. Step 6: Final answer
    x = 802,804.06

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1.5x scale

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.