Home / 659,146.04-909,689.34-401,041.31

Finding the Fourth Proportional to 659,146.04, 909,689.34 and 401,041.31

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Solution

The fourth proportional to 659,146.04, 909,689.34 and 401,041.31 is: 553,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,146.04 : 909,689.34 = 401,041.31 : x
  2. Step 2: Convert to fraction form
    659,146.04/909,689.34 = 401,041.31/x
  3. Step 3: Cross multiply
    659,146.04x = 909,689.34 × 401,041.31
  4. Step 4: Simplify right side
    659,146.04x = 364,823,002,601.43
  5. Step 5: Solve for x
    x = 364,823,002,601.43/659,146.04
  6. Step 6: Final answer
    x = 553,478.26

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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.