Home / 528,088.40-792,132.60-304,139.60

Finding the Fourth Proportional to 528,088.40, 792,132.60 and 304,139.60

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Solution

The fourth proportional to 528,088.40, 792,132.60 and 304,139.60 is: 456,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,088.40 : 792,132.60 = 304,139.60 : x
  2. Step 2: Convert to fraction form
    528,088.40/792,132.60 = 304,139.60/x
  3. Step 3: Cross multiply
    528,088.40x = 792,132.60 × 304,139.60
  4. Step 4: Simplify right side
    528,088.40x = 240,918,892,110.96
  5. Step 5: Solve for x
    x = 240,918,892,110.96/528,088.40
  6. Step 6: Final answer
    x = 456,209.40

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Similar ratio
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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.