Home / 399,413.16-599,417.30-293,071.91

Finding the Fourth Proportional to 399,413.16, 599,417.30 and 293,071.91

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Solution

The fourth proportional to 399,413.16, 599,417.30 and 293,071.91 is: 439,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,413.16 : 599,417.30 = 293,071.91 : x
  2. Step 2: Convert to fraction form
    399,413.16/599,417.30 = 293,071.91/x
  3. Step 3: Cross multiply
    399,413.16x = 599,417.30 × 293,071.91
  4. Step 4: Simplify right side
    399,413.16x = 175,672,370,733.64
  5. Step 5: Solve for x
    x = 175,672,370,733.64/399,413.16
  6. Step 6: Final answer
    x = 439,826.20

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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.