Home / 769,547.24-1,061,954.82-430,018.28

Finding the Fourth Proportional to 769,547.24, 1,061,954.82 and 430,018.28

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Solution

The fourth proportional to 769,547.24, 1,061,954.82 and 430,018.28 is: 593,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,547.24 : 1,061,954.82 = 430,018.28 : x
  2. Step 2: Convert to fraction form
    769,547.24/1,061,954.82 = 430,018.28/x
  3. Step 3: Cross multiply
    769,547.24x = 1,061,954.82 × 430,018.28
  4. Step 4: Simplify right side
    769,547.24x = 456,659,985,134.11
  5. Step 5: Solve for x
    x = 456,659,985,134.11/769,547.24
  6. Step 6: Final answer
    x = 593,413.84

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1.5x scale

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.