Home / 560,032.07-772,842.83-305,383.25

Finding the Fourth Proportional to 560,032.07, 772,842.83 and 305,383.25

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Solution

The fourth proportional to 560,032.07, 772,842.83 and 305,383.25 is: 421,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,032.07 : 772,842.83 = 305,383.25 : x
  2. Step 2: Convert to fraction form
    560,032.07/772,842.83 = 305,383.25/x
  3. Step 3: Cross multiply
    560,032.07x = 772,842.83 × 305,383.25
  4. Step 4: Simplify right side
    560,032.07x = 236,013,255,569.79
  5. Step 5: Solve for x
    x = 236,013,255,569.79/560,032.07
  6. Step 6: Final answer
    x = 421,428.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.