Home / 857,530.91-1,183,384.60-470,338.46

Finding the Fourth Proportional to 857,530.91, 1,183,384.60 and 470,338.46

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Solution

The fourth proportional to 857,530.91, 1,183,384.60 and 470,338.46 is: 649,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,530.91 : 1,183,384.60 = 470,338.46 : x
  2. Step 2: Convert to fraction form
    857,530.91/1,183,384.60 = 470,338.46/x
  3. Step 3: Cross multiply
    857,530.91x = 1,183,384.60 × 470,338.46
  4. Step 4: Simplify right side
    857,530.91x = 556,591,290,022.16
  5. Step 5: Solve for x
    x = 556,591,290,022.16/857,530.91
  6. Step 6: Final answer
    x = 649,062.65

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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.