Home / 901,038.54-1,243,436.47-487,575.32

Finding the Fourth Proportional to 901,038.54, 1,243,436.47 and 487,575.32

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Solution

The fourth proportional to 901,038.54, 1,243,436.47 and 487,575.32 is: 672,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,038.54 : 1,243,436.47 = 487,575.32 : x
  2. Step 2: Convert to fraction form
    901,038.54/1,243,436.47 = 487,575.32/x
  3. Step 3: Cross multiply
    901,038.54x = 1,243,436.47 × 487,575.32
  4. Step 4: Simplify right side
    901,038.54x = 606,268,934,759.92
  5. Step 5: Solve for x
    x = 606,268,934,759.92/901,038.54
  6. Step 6: Final answer
    x = 672,855.72

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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.