Home / 917,688.64-1,376,532.96-356,854.36

Finding the Fourth Proportional to 917,688.64, 1,376,532.96 and 356,854.36

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Solution

The fourth proportional to 917,688.64, 1,376,532.96 and 356,854.36 is: 535,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,688.64 : 1,376,532.96 = 356,854.36 : x
  2. Step 2: Convert to fraction form
    917,688.64/1,376,532.96 = 356,854.36/x
  3. Step 3: Cross multiply
    917,688.64x = 1,376,532.96 × 356,854.36
  4. Step 4: Simplify right side
    917,688.64x = 491,221,788,459.71
  5. Step 5: Solve for x
    x = 491,221,788,459.71/917,688.64
  6. Step 6: Final answer
    x = 535,281.54

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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.