Home / 742,368.58-1,024,471.36-402,836.82

Finding the Fourth Proportional to 742,368.58, 1,024,471.36 and 402,836.82

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Solution

The fourth proportional to 742,368.58, 1,024,471.36 and 402,836.82 is: 555,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,368.58 : 1,024,471.36 = 402,836.82 : x
  2. Step 2: Convert to fraction form
    742,368.58/1,024,471.36 = 402,836.82/x
  3. Step 3: Cross multiply
    742,368.58x = 1,024,471.36 × 402,836.82
  4. Step 4: Simplify right side
    742,368.58x = 412,694,784,843.48
  5. Step 5: Solve for x
    x = 412,694,784,843.48/742,368.58
  6. Step 6: Final answer
    x = 555,916.29

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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.