Home / 686,566.80-1,030,773.60-402,548.40

Finding the Fourth Proportional to 686,566.80, 1,030,773.60 and 402,548.40

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Solution

The fourth proportional to 686,566.80, 1,030,773.60 and 402,548.40 is: 604,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,566.80 : 1,030,773.60 = 402,548.40 : x
  2. Step 2: Convert to fraction form
    686,566.80/1,030,773.60 = 402,548.40/x
  3. Step 3: Cross multiply
    686,566.80x = 1,030,773.60 × 402,548.40
  4. Step 4: Simplify right side
    686,566.80x = 414,936,263,442.24
  5. Step 5: Solve for x
    x = 414,936,263,442.24/686,566.80
  6. Step 6: Final answer
    x = 604,364.01

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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.