Home / 985,308.78-1,477,275.46-504,602.53

Finding the Fourth Proportional to 985,308.78, 1,477,275.46 and 504,602.53

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Solution

The fourth proportional to 985,308.78, 1,477,275.46 and 504,602.53 is: 756,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,308.78 : 1,477,275.46 = 504,602.53 : x
  2. Step 2: Convert to fraction form
    985,308.78/1,477,275.46 = 504,602.53/x
  3. Step 3: Cross multiply
    985,308.78x = 1,477,275.46 × 504,602.53
  4. Step 4: Simplify right side
    985,308.78x = 745,436,934,622.91
  5. Step 5: Solve for x
    x = 745,436,934,622.91/985,308.78
  6. Step 6: Final answer
    x = 756,551.60

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1.5x scale

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.