Home / 937,638.60-1,293,947.46-507,918.72

Finding the Fourth Proportional to 937,638.60, 1,293,947.46 and 507,918.72

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Solution

The fourth proportional to 937,638.60, 1,293,947.46 and 507,918.72 is: 700,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,638.60 : 1,293,947.46 = 507,918.72 : x
  2. Step 2: Convert to fraction form
    937,638.60/1,293,947.46 = 507,918.72/x
  3. Step 3: Cross multiply
    937,638.60x = 1,293,947.46 × 507,918.72
  4. Step 4: Simplify right side
    937,638.60x = 657,220,137,630.45
  5. Step 5: Solve for x
    x = 657,220,137,630.45/937,638.60
  6. Step 6: Final answer
    x = 700,931.19

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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.