Home / 926,890.50-1,390,344.27-365,925

Finding the Fourth Proportional to 926,890.50, 1,390,344.27 and 365,925

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Solution

The fourth proportional to 926,890.50, 1,390,344.27 and 365,925 is: 548,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,890.50 : 1,390,344.27 = 365,925 : x
  2. Step 2: Convert to fraction form
    926,890.50/1,390,344.27 = 365,925/x
  3. Step 3: Cross multiply
    926,890.50x = 1,390,344.27 × 365,925
  4. Step 4: Simplify right side
    926,890.50x = 508,761,726,999.75
  5. Step 5: Solve for x
    x = 508,761,726,999.75/926,890.50
  6. Step 6: Final answer
    x = 548,890.86

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1.5x scale

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.