Home / 740,948.96-1,022,510.61-401,417.21

Finding the Fourth Proportional to 740,948.96, 1,022,510.61 and 401,417.21

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Solution

The fourth proportional to 740,948.96, 1,022,510.61 and 401,417.21 is: 553,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,948.96 : 1,022,510.61 = 401,417.21 : x
  2. Step 2: Convert to fraction form
    740,948.96/1,022,510.61 = 401,417.21/x
  3. Step 3: Cross multiply
    740,948.96x = 1,022,510.61 × 401,417.21
  4. Step 4: Simplify right side
    740,948.96x = 410,453,351,149.05
  5. Step 5: Solve for x
    x = 410,453,351,149.05/740,948.96
  6. Step 6: Final answer
    x = 553,956.31

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Double scale
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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.