Home / 816,030.63-1,126,225.83-493,743.39

Finding the Fourth Proportional to 816,030.63, 1,126,225.83 and 493,743.39

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Solution

The fourth proportional to 816,030.63, 1,126,225.83 and 493,743.39 is: 681,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,030.63 : 1,126,225.83 = 493,743.39 : x
  2. Step 2: Convert to fraction form
    816,030.63/1,126,225.83 = 493,743.39/x
  3. Step 3: Cross multiply
    816,030.63x = 1,126,225.83 × 493,743.39
  4. Step 4: Simplify right side
    816,030.63x = 556,066,559,209.76
  5. Step 5: Solve for x
    x = 556,066,559,209.76/816,030.63
  6. Step 6: Final answer
    x = 681,428.54

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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.