Home / 901,039.54-1,243,437.85-487,576.32

Finding the Fourth Proportional to 901,039.54, 1,243,437.85 and 487,576.32

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Solution

The fourth proportional to 901,039.54, 1,243,437.85 and 487,576.32 is: 672,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,039.54 : 1,243,437.85 = 487,576.32 : x
  2. Step 2: Convert to fraction form
    901,039.54/1,243,437.85 = 487,576.32/x
  3. Step 3: Cross multiply
    901,039.54x = 1,243,437.85 × 487,576.32
  4. Step 4: Simplify right side
    901,039.54x = 606,270,851,051.71
  5. Step 5: Solve for x
    x = 606,270,851,051.71/901,039.54
  6. Step 6: Final answer
    x = 672,857.10

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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.