Home / 985,699.89-1,478,712.06-302,569.59

Finding the Fourth Proportional to 985,699.89, 1,478,712.06 and 302,569.59

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Solution

The fourth proportional to 985,699.89, 1,478,712.06 and 302,569.59 is: 453,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,699.89 : 1,478,712.06 = 302,569.59 : x
  2. Step 2: Convert to fraction form
    985,699.89/1,478,712.06 = 302,569.59/x
  3. Step 3: Cross multiply
    985,699.89x = 1,478,712.06 × 302,569.59
  4. Step 4: Simplify right side
    985,699.89x = 447,413,301,722.26
  5. Step 5: Solve for x
    x = 447,413,301,722.26/985,699.89
  6. Step 6: Final answer
    x = 453,904.18

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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.