Home / 985,866.60-1,478,741.58-275,878.92

Finding the Fourth Proportional to 985,866.60, 1,478,741.58 and 275,878.92

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Solution

The fourth proportional to 985,866.60, 1,478,741.58 and 275,878.92 is: 413,802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,866.60 : 1,478,741.58 = 275,878.92 : x
  2. Step 2: Convert to fraction form
    985,866.60/1,478,741.58 = 275,878.92/x
  3. Step 3: Cross multiply
    985,866.60x = 1,478,741.58 × 275,878.92
  4. Step 4: Simplify right side
    985,866.60x = 407,953,630,049.49
  5. Step 5: Solve for x
    x = 407,953,630,049.49/985,866.60
  6. Step 6: Final answer
    x = 413,802.06

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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.