Home / 528,032.20-792,048.30-317,907.40

Finding the Fourth Proportional to 528,032.20, 792,048.30 and 317,907.40

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Solution

The fourth proportional to 528,032.20, 792,048.30 and 317,907.40 is: 476,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,032.20 : 792,048.30 = 317,907.40 : x
  2. Step 2: Convert to fraction form
    528,032.20/792,048.30 = 317,907.40/x
  3. Step 3: Cross multiply
    528,032.20x = 792,048.30 × 317,907.40
  4. Step 4: Simplify right side
    528,032.20x = 251,798,015,727.42
  5. Step 5: Solve for x
    x = 251,798,015,727.42/528,032.20
  6. Step 6: Final answer
    x = 476,861.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.