Home / 875,567.61-1,208,194.74-646,250.13

Finding the Fourth Proportional to 875,567.61, 1,208,194.74 and 646,250.13

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Solution

The fourth proportional to 875,567.61, 1,208,194.74 and 646,250.13 is: 891,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,567.61 : 1,208,194.74 = 646,250.13 : x
  2. Step 2: Convert to fraction form
    875,567.61/1,208,194.74 = 646,250.13/x
  3. Step 3: Cross multiply
    875,567.61x = 1,208,194.74 × 646,250.13
  4. Step 4: Simplify right side
    875,567.61x = 780,796,007,790.32
  5. Step 5: Solve for x
    x = 780,796,007,790.32/875,567.61
  6. Step 6: Final answer
    x = 891,759.81

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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.