Home / 771,466.87-1,064,393.94-499,103.35

Finding the Fourth Proportional to 771,466.87, 1,064,393.94 and 499,103.35

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Solution

The fourth proportional to 771,466.87, 1,064,393.94 and 499,103.35 is: 688,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,466.87 : 1,064,393.94 = 499,103.35 : x
  2. Step 2: Convert to fraction form
    771,466.87/1,064,393.94 = 499,103.35/x
  3. Step 3: Cross multiply
    771,466.87x = 1,064,393.94 × 499,103.35
  4. Step 4: Simplify right side
    771,466.87x = 531,242,581,173.70
  5. Step 5: Solve for x
    x = 531,242,581,173.70/771,466.87
  6. Step 6: Final answer
    x = 688,613.60

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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.