Home / 869,865.52-1,200,416.60-507,538.48

Finding the Fourth Proportional to 869,865.52, 1,200,416.60 and 507,538.48

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Solution

The fourth proportional to 869,865.52, 1,200,416.60 and 507,538.48 is: 700,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,865.52 : 1,200,416.60 = 507,538.48 : x
  2. Step 2: Convert to fraction form
    869,865.52/1,200,416.60 = 507,538.48/x
  3. Step 3: Cross multiply
    869,865.52x = 1,200,416.60 × 507,538.48
  4. Step 4: Simplify right side
    869,865.52x = 609,257,616,530.77
  5. Step 5: Solve for x
    x = 609,257,616,530.77/869,865.52
  6. Step 6: Final answer
    x = 700,404.38

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1.5x scale

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.