Home / 600,428.94-828,456.28-358,664.20

Finding the Fourth Proportional to 600,428.94, 828,456.28 and 358,664.20

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Solution

The fourth proportional to 600,428.94, 828,456.28 and 358,664.20 is: 494,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,428.94 : 828,456.28 = 358,664.20 : x
  2. Step 2: Convert to fraction form
    600,428.94/828,456.28 = 358,664.20/x
  3. Step 3: Cross multiply
    600,428.94x = 828,456.28 × 358,664.20
  4. Step 4: Simplify right side
    600,428.94x = 297,137,608,901.18
  5. Step 5: Solve for x
    x = 297,137,608,901.18/600,428.94
  6. Step 6: Final answer
    x = 494,875.56

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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.