Home / 832,465.80-1,248,698.70-300,004.20

Finding the Fourth Proportional to 832,465.80, 1,248,698.70 and 300,004.20

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Solution

The fourth proportional to 832,465.80, 1,248,698.70 and 300,004.20 is: 450,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,465.80 : 1,248,698.70 = 300,004.20 : x
  2. Step 2: Convert to fraction form
    832,465.80/1,248,698.70 = 300,004.20/x
  3. Step 3: Cross multiply
    832,465.80x = 1,248,698.70 × 300,004.20
  4. Step 4: Simplify right side
    832,465.80x = 374,614,854,534.54
  5. Step 5: Solve for x
    x = 374,614,854,534.54/832,465.80
  6. Step 6: Final answer
    x = 450,006.30

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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.