Home / 950,730.96-1,312,019.05-521,001.86

Finding the Fourth Proportional to 950,730.96, 1,312,019.05 and 521,001.86

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Solution

The fourth proportional to 950,730.96, 1,312,019.05 and 521,001.86 is: 718,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,730.96 : 1,312,019.05 = 521,001.86 : x
  2. Step 2: Convert to fraction form
    950,730.96/1,312,019.05 = 521,001.86/x
  3. Step 3: Cross multiply
    950,730.96x = 1,312,019.05 × 521,001.86
  4. Step 4: Simplify right side
    950,730.96x = 683,564,365,405.43
  5. Step 5: Solve for x
    x = 683,564,365,405.43/950,730.96
  6. Step 6: Final answer
    x = 718,988.23

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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.