Home / 777,946.80-1,166,459.40-404,698.80

Finding the Fourth Proportional to 777,946.80, 1,166,459.40 and 404,698.80

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Solution

The fourth proportional to 777,946.80, 1,166,459.40 and 404,698.80 is: 606,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,946.80 : 1,166,459.40 = 404,698.80 : x
  2. Step 2: Convert to fraction form
    777,946.80/1,166,459.40 = 404,698.80/x
  3. Step 3: Cross multiply
    777,946.80x = 1,166,459.40 × 404,698.80
  4. Step 4: Simplify right side
    777,946.80x = 472,064,719,428.72
  5. Step 5: Solve for x
    x = 472,064,719,428.72/777,946.80
  6. Step 6: Final answer
    x = 606,808.49

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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.