Home / 572,368.11-789,828.48-317,699.25

Finding the Fourth Proportional to 572,368.11, 789,828.48 and 317,699.25

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Solution

The fourth proportional to 572,368.11, 789,828.48 and 317,699.25 is: 438,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,368.11 : 789,828.48 = 317,699.25 : x
  2. Step 2: Convert to fraction form
    572,368.11/789,828.48 = 317,699.25/x
  3. Step 3: Cross multiply
    572,368.11x = 789,828.48 × 317,699.25
  4. Step 4: Simplify right side
    572,368.11x = 250,927,915,724.64
  5. Step 5: Solve for x
    x = 250,927,915,724.64/572,368.11
  6. Step 6: Final answer
    x = 438,403.03

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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.