Home / 855,455.76-1,282,600.38-433,918.80

Finding the Fourth Proportional to 855,455.76, 1,282,600.38 and 433,918.80

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Solution

The fourth proportional to 855,455.76, 1,282,600.38 and 433,918.80 is: 650,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,455.76 : 1,282,600.38 = 433,918.80 : x
  2. Step 2: Convert to fraction form
    855,455.76/1,282,600.38 = 433,918.80/x
  3. Step 3: Cross multiply
    855,455.76x = 1,282,600.38 × 433,918.80
  4. Step 4: Simplify right side
    855,455.76x = 556,544,417,769.14
  5. Step 5: Solve for x
    x = 556,544,417,769.14/855,455.76
  6. Step 6: Final answer
    x = 650,582.35

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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.