Home / 572,356.48-789,846.08-317,701.12

Finding the Fourth Proportional to 572,356.48, 789,846.08 and 317,701.12

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Solution

The fourth proportional to 572,356.48, 789,846.08 and 317,701.12 is: 438,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,356.48 : 789,846.08 = 317,701.12 : x
  2. Step 2: Convert to fraction form
    572,356.48/789,846.08 = 317,701.12/x
  3. Step 3: Cross multiply
    572,356.48x = 789,846.08 × 317,701.12
  4. Step 4: Simplify right side
    572,356.48x = 250,934,984,243.61
  5. Step 5: Solve for x
    x = 250,934,984,243.61/572,356.48
  6. Step 6: Final answer
    x = 438,424.29

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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.