Home / 916,078.21-1,373,473.46-403,500.08

Finding the Fourth Proportional to 916,078.21, 1,373,473.46 and 403,500.08

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Solution

The fourth proportional to 916,078.21, 1,373,473.46 and 403,500.08 is: 604,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,078.21 : 1,373,473.46 = 403,500.08 : x
  2. Step 2: Convert to fraction form
    916,078.21/1,373,473.46 = 403,500.08/x
  3. Step 3: Cross multiply
    916,078.21x = 1,373,473.46 × 403,500.08
  4. Step 4: Simplify right side
    916,078.21x = 554,196,655,430.31
  5. Step 5: Solve for x
    x = 554,196,655,430.31/916,078.21
  6. Step 6: Final answer
    x = 604,966.53

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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.