Home / 740,548-1,021,956.78-401,016.52

Finding the Fourth Proportional to 740,548, 1,021,956.78 and 401,016.52

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Solution

The fourth proportional to 740,548, 1,021,956.78 and 401,016.52 is: 553,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,548 : 1,021,956.78 = 401,016.52 : x
  2. Step 2: Convert to fraction form
    740,548/1,021,956.78 = 401,016.52/x
  3. Step 3: Cross multiply
    740,548x = 1,021,956.78 × 401,016.52
  4. Step 4: Simplify right side
    740,548x = 409,821,551,506.01
  5. Step 5: Solve for x
    x = 409,821,551,506.01/740,548
  6. Step 6: Final answer
    x = 553,403.09

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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.