Home / 832,465.80-1,148,811.30-450,501.48

Finding the Fourth Proportional to 832,465.80, 1,148,811.30 and 450,501.48

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Solution

The fourth proportional to 832,465.80, 1,148,811.30 and 450,501.48 is: 621,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,465.80 : 1,148,811.30 = 450,501.48 : x
  2. Step 2: Convert to fraction form
    832,465.80/1,148,811.30 = 450,501.48/x
  3. Step 3: Cross multiply
    832,465.80x = 1,148,811.30 × 450,501.48
  4. Step 4: Simplify right side
    832,465.80x = 517,541,190,890.72
  5. Step 5: Solve for x
    x = 517,541,190,890.72/832,465.80
  6. Step 6: Final answer
    x = 621,696.64

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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.