Home / 937,639.65-1,293,942.63-507,919.68

Finding the Fourth Proportional to 937,639.65, 1,293,942.63 and 507,919.68

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Solution

The fourth proportional to 937,639.65, 1,293,942.63 and 507,919.68 is: 700,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,639.65 : 1,293,942.63 = 507,919.68 : x
  2. Step 2: Convert to fraction form
    937,639.65/1,293,942.63 = 507,919.68/x
  3. Step 3: Cross multiply
    937,639.65x = 1,293,942.63 × 507,919.68
  4. Step 4: Simplify right side
    937,639.65x = 657,218,926,567.96
  5. Step 5: Solve for x
    x = 657,218,926,567.96/937,639.65
  6. Step 6: Final answer
    x = 700,929.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.