Home / 829,967.90-1,145,404.52-507,739.76

Finding the Fourth Proportional to 829,967.90, 1,145,404.52 and 507,739.76

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Solution

The fourth proportional to 829,967.90, 1,145,404.52 and 507,739.76 is: 700,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,967.90 : 1,145,404.52 = 507,739.76 : x
  2. Step 2: Convert to fraction form
    829,967.90/1,145,404.52 = 507,739.76/x
  3. Step 3: Cross multiply
    829,967.90x = 1,145,404.52 × 507,739.76
  4. Step 4: Simplify right side
    829,967.90x = 581,567,418,316.55
  5. Step 5: Solve for x
    x = 581,567,418,316.55/829,967.90
  6. Step 6: Final answer
    x = 700,710.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.