Home / 943,130.66-1,301,520.29-513,413.91

Finding the Fourth Proportional to 943,130.66, 1,301,520.29 and 513,413.91

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Solution

The fourth proportional to 943,130.66, 1,301,520.29 and 513,413.91 is: 708,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,130.66 : 1,301,520.29 = 513,413.91 : x
  2. Step 2: Convert to fraction form
    943,130.66/1,301,520.29 = 513,413.91/x
  3. Step 3: Cross multiply
    943,130.66x = 1,301,520.29 × 513,413.91
  4. Step 4: Simplify right side
    943,130.66x = 668,218,618,466.16
  5. Step 5: Solve for x
    x = 668,218,618,466.16/943,130.66
  6. Step 6: Final answer
    x = 708,511.19

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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.