Home / 926,618.09-1,390,030.81-295,385.45

Finding the Fourth Proportional to 926,618.09, 1,390,030.81 and 295,385.45

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Solution

The fourth proportional to 926,618.09, 1,390,030.81 and 295,385.45 is: 443,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,618.09 : 1,390,030.81 = 295,385.45 : x
  2. Step 2: Convert to fraction form
    926,618.09/1,390,030.81 = 295,385.45/x
  3. Step 3: Cross multiply
    926,618.09x = 1,390,030.81 × 295,385.45
  4. Step 4: Simplify right side
    926,618.09x = 410,594,876,325.72
  5. Step 5: Solve for x
    x = 410,594,876,325.72/926,618.09
  6. Step 6: Final answer
    x = 443,111.22

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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.