Home / 916,962.40-1,376,099.70-384,865.30

Finding the Fourth Proportional to 916,962.40, 1,376,099.70 and 384,865.30

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Solution

The fourth proportional to 916,962.40, 1,376,099.70 and 384,865.30 is: 577,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,962.40 : 1,376,099.70 = 384,865.30 : x
  2. Step 2: Convert to fraction form
    916,962.40/1,376,099.70 = 384,865.30/x
  3. Step 3: Cross multiply
    916,962.40x = 1,376,099.70 × 384,865.30
  4. Step 4: Simplify right side
    916,962.40x = 529,613,023,870.41
  5. Step 5: Solve for x
    x = 529,613,023,870.41/916,962.40
  6. Step 6: Final answer
    x = 577,573.33

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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.