Home / 842,395.23-1,162,488.32-460,424.74

Finding the Fourth Proportional to 842,395.23, 1,162,488.32 and 460,424.74

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Solution

The fourth proportional to 842,395.23, 1,162,488.32 and 460,424.74 is: 635,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,395.23 : 1,162,488.32 = 460,424.74 : x
  2. Step 2: Convert to fraction form
    842,395.23/1,162,488.32 = 460,424.74/x
  3. Step 3: Cross multiply
    842,395.23x = 1,162,488.32 × 460,424.74
  4. Step 4: Simplify right side
    842,395.23x = 535,238,382,489.04
  5. Step 5: Solve for x
    x = 535,238,382,489.04/842,395.23
  6. Step 6: Final answer
    x = 635,376.80

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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.