Home / 446,478.57-615,895.04-282,835.40

Finding the Fourth Proportional to 446,478.57, 615,895.04 and 282,835.40

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Solution

The fourth proportional to 446,478.57, 615,895.04 and 282,835.40 is: 390,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,478.57 : 615,895.04 = 282,835.40 : x
  2. Step 2: Convert to fraction form
    446,478.57/615,895.04 = 282,835.40/x
  3. Step 3: Cross multiply
    446,478.57x = 615,895.04 × 282,835.40
  4. Step 4: Simplify right side
    446,478.57x = 174,196,917,624.03
  5. Step 5: Solve for x
    x = 174,196,917,624.03/446,478.57
  6. Step 6: Final answer
    x = 390,157.40

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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.