Home / 608,918.60-913,637.10-384,451.40

Finding the Fourth Proportional to 608,918.60, 913,637.10 and 384,451.40

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Solution

The fourth proportional to 608,918.60, 913,637.10 and 384,451.40 is: 576,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,918.60 : 913,637.10 = 384,451.40 : x
  2. Step 2: Convert to fraction form
    608,918.60/913,637.10 = 384,451.40/x
  3. Step 3: Cross multiply
    608,918.60x = 913,637.10 × 384,451.40
  4. Step 4: Simplify right side
    608,918.60x = 351,249,062,186.94
  5. Step 5: Solve for x
    x = 351,249,062,186.94/608,918.60
  6. Step 6: Final answer
    x = 576,840.75

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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.