Home / 528,029.20-792,043.80-496,925.20

Finding the Fourth Proportional to 528,029.20, 792,043.80 and 496,925.20

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Solution

The fourth proportional to 528,029.20, 792,043.80 and 496,925.20 is: 745,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,029.20 : 792,043.80 = 496,925.20 : x
  2. Step 2: Convert to fraction form
    528,029.20/792,043.80 = 496,925.20/x
  3. Step 3: Cross multiply
    528,029.20x = 792,043.80 × 496,925.20
  4. Step 4: Simplify right side
    528,029.20x = 393,586,523,723.76
  5. Step 5: Solve for x
    x = 393,586,523,723.76/528,029.20
  6. Step 6: Final answer
    x = 745,387.80

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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.