Home / 528,026.90-792,040.35-304,078.10

Finding the Fourth Proportional to 528,026.90, 792,040.35 and 304,078.10

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Solution

The fourth proportional to 528,026.90, 792,040.35 and 304,078.10 is: 456,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,026.90 : 792,040.35 = 304,078.10 : x
  2. Step 2: Convert to fraction form
    528,026.90/792,040.35 = 304,078.10/x
  3. Step 3: Cross multiply
    528,026.90x = 792,040.35 × 304,078.10
  4. Step 4: Simplify right side
    528,026.90x = 240,842,124,751.34
  5. Step 5: Solve for x
    x = 240,842,124,751.34/528,026.90
  6. Step 6: Final answer
    x = 456,117.15

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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.