Home / 859,569.51-1,289,509.91-283,223.58

Finding the Fourth Proportional to 859,569.51, 1,289,509.91 and 283,223.58

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Solution

The fourth proportional to 859,569.51, 1,289,509.91 and 283,223.58 is: 424,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,569.51 : 1,289,509.91 = 283,223.58 : x
  2. Step 2: Convert to fraction form
    859,569.51/1,289,509.91 = 283,223.58/x
  3. Step 3: Cross multiply
    859,569.51x = 1,289,509.91 × 283,223.58
  4. Step 4: Simplify right side
    859,569.51x = 365,219,613,155.68
  5. Step 5: Solve for x
    x = 365,219,613,155.68/859,569.51
  6. Step 6: Final answer
    x = 424,886.65

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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.