Home / 780,558.62-1,077,225.35-436,461.57

Finding the Fourth Proportional to 780,558.62, 1,077,225.35 and 436,461.57

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Solution

The fourth proportional to 780,558.62, 1,077,225.35 and 436,461.57 is: 602,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,558.62 : 1,077,225.35 = 436,461.57 : x
  2. Step 2: Convert to fraction form
    780,558.62/1,077,225.35 = 436,461.57/x
  3. Step 3: Cross multiply
    780,558.62x = 1,077,225.35 × 436,461.57
  4. Step 4: Simplify right side
    780,558.62x = 470,167,465,322.49
  5. Step 5: Solve for x
    x = 470,167,465,322.49/780,558.62
  6. Step 6: Final answer
    x = 602,347.42

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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.