Home / 781,024.16-1,077,913.17-436,879.20

Finding the Fourth Proportional to 781,024.16, 1,077,913.17 and 436,879.20

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Solution

The fourth proportional to 781,024.16, 1,077,913.17 and 436,879.20 is: 602,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,024.16 : 1,077,913.17 = 436,879.20 : x
  2. Step 2: Convert to fraction form
    781,024.16/1,077,913.17 = 436,879.20/x
  3. Step 3: Cross multiply
    781,024.16x = 1,077,913.17 × 436,879.20
  4. Step 4: Simplify right side
    781,024.16x = 470,917,843,379.06
  5. Step 5: Solve for x
    x = 470,917,843,379.06/781,024.16
  6. Step 6: Final answer
    x = 602,949.14

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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.