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Finding the Fourth Proportional to 867,875.92, 1,302,021.72 and 362,155.58

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Solution

The fourth proportional to 867,875.92, 1,302,021.72 and 362,155.58 is: 543,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,875.92 : 1,302,021.72 = 362,155.58 : x
  2. Step 2: Convert to fraction form
    867,875.92/1,302,021.72 = 362,155.58/x
  3. Step 3: Cross multiply
    867,875.92x = 1,302,021.72 × 362,155.58
  4. Step 4: Simplify right side
    867,875.92x = 471,534,424,669.09
  5. Step 5: Solve for x
    x = 471,534,424,669.09/867,875.92
  6. Step 6: Final answer
    x = 543,320.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.