Home / 818,054.78-1,128,904.83-473,937.62

Finding the Fourth Proportional to 818,054.78, 1,128,904.83 and 473,937.62

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Solution

The fourth proportional to 818,054.78, 1,128,904.83 and 473,937.62 is: 654,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,054.78 : 1,128,904.83 = 473,937.62 : x
  2. Step 2: Convert to fraction form
    818,054.78/1,128,904.83 = 473,937.62/x
  3. Step 3: Cross multiply
    818,054.78x = 1,128,904.83 × 473,937.62
  4. Step 4: Simplify right side
    818,054.78x = 535,030,462,692.18
  5. Step 5: Solve for x
    x = 535,030,462,692.18/818,054.78
  6. Step 6: Final answer
    x = 654,027.68

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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.