Home / 526,497.30-788,579.55-456,513.30

Finding the Fourth Proportional to 526,497.30, 788,579.55 and 456,513.30

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Solution

The fourth proportional to 526,497.30, 788,579.55 and 456,513.30 is: 683,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,497.30 : 788,579.55 = 456,513.30 : x
  2. Step 2: Convert to fraction form
    526,497.30/788,579.55 = 456,513.30/x
  3. Step 3: Cross multiply
    526,497.30x = 788,579.55 × 456,513.30
  4. Step 4: Simplify right side
    526,497.30x = 359,997,052,683.02
  5. Step 5: Solve for x
    x = 359,997,052,683.02/526,497.30
  6. Step 6: Final answer
    x = 683,758.59

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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.