Home / 820,674.36-1,132,526.30-476,594.90

Finding the Fourth Proportional to 820,674.36, 1,132,526.30 and 476,594.90

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Solution

The fourth proportional to 820,674.36, 1,132,526.30 and 476,594.90 is: 657,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,674.36 : 1,132,526.30 = 476,594.90 : x
  2. Step 2: Convert to fraction form
    820,674.36/1,132,526.30 = 476,594.90/x
  3. Step 3: Cross multiply
    820,674.36x = 1,132,526.30 × 476,594.90
  4. Step 4: Simplify right side
    820,674.36x = 539,756,250,650.26
  5. Step 5: Solve for x
    x = 539,756,250,650.26/820,674.36
  6. Step 6: Final answer
    x = 657,698.45

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Double scale
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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.