Home / 936,931.58-1,292,965.99-507,211.69

Finding the Fourth Proportional to 936,931.58, 1,292,965.99 and 507,211.69

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Solution

The fourth proportional to 936,931.58, 1,292,965.99 and 507,211.69 is: 699,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,931.58 : 1,292,965.99 = 507,211.69 : x
  2. Step 2: Convert to fraction form
    936,931.58/1,292,965.99 = 507,211.69/x
  3. Step 3: Cross multiply
    936,931.58x = 1,292,965.99 × 507,211.69
  4. Step 4: Simplify right side
    936,931.58x = 655,807,460,399.98
  5. Step 5: Solve for x
    x = 655,807,460,399.98/936,931.58
  6. Step 6: Final answer
    x = 699,952.35

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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.