Home / 857,458.04-1,183,339.40-475,476.62

Finding the Fourth Proportional to 857,458.04, 1,183,339.40 and 475,476.62

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Solution

The fourth proportional to 857,458.04, 1,183,339.40 and 475,476.62 is: 656,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,458.04 : 1,183,339.40 = 475,476.62 : x
  2. Step 2: Convert to fraction form
    857,458.04/1,183,339.40 = 475,476.62/x
  3. Step 3: Cross multiply
    857,458.04x = 1,183,339.40 × 475,476.62
  4. Step 4: Simplify right side
    857,458.04x = 562,650,209,930.75
  5. Step 5: Solve for x
    x = 562,650,209,930.75/857,458.04
  6. Step 6: Final answer
    x = 656,183.96

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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.