Home / 842,391.70-1,162,483.45-460,421.21

Finding the Fourth Proportional to 842,391.70, 1,162,483.45 and 460,421.21

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Solution

The fourth proportional to 842,391.70, 1,162,483.45 and 460,421.21 is: 635,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,391.70 : 1,162,483.45 = 460,421.21 : x
  2. Step 2: Convert to fraction form
    842,391.70/1,162,483.45 = 460,421.21/x
  3. Step 3: Cross multiply
    842,391.70x = 1,162,483.45 × 460,421.21
  4. Step 4: Simplify right side
    842,391.70x = 535,232,038,409.13
  5. Step 5: Solve for x
    x = 535,232,038,409.13/842,391.70
  6. Step 6: Final answer
    x = 635,371.93

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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.