Home / 528,428.40-792,642.60-173,497.20

Finding the Fourth Proportional to 528,428.40, 792,642.60 and 173,497.20

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Solution

The fourth proportional to 528,428.40, 792,642.60 and 173,497.20 is: 260,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,428.40 : 792,642.60 = 173,497.20 : x
  2. Step 2: Convert to fraction form
    528,428.40/792,642.60 = 173,497.20/x
  3. Step 3: Cross multiply
    528,428.40x = 792,642.60 × 173,497.20
  4. Step 4: Simplify right side
    528,428.40x = 137,521,271,700.72
  5. Step 5: Solve for x
    x = 137,521,271,700.72/528,428.40
  6. Step 6: Final answer
    x = 260,245.80

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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.