Home / 869,354.19-1,303,110.90-292,428.25

Finding the Fourth Proportional to 869,354.19, 1,303,110.90 and 292,428.25

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Solution

The fourth proportional to 869,354.19, 1,303,110.90 and 292,428.25 is: 438,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,354.19 : 1,303,110.90 = 292,428.25 : x
  2. Step 2: Convert to fraction form
    869,354.19/1,303,110.90 = 292,428.25/x
  3. Step 3: Cross multiply
    869,354.19x = 1,303,110.90 × 292,428.25
  4. Step 4: Simplify right side
    869,354.19x = 381,066,440,042.93
  5. Step 5: Solve for x
    x = 381,066,440,042.93/869,354.19
  6. Step 6: Final answer
    x = 438,332.78

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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.