Home / 781,020.41-1,077,908.00-436,875.45

Finding the Fourth Proportional to 781,020.41, 1,077,908.00 and 436,875.45

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Solution

The fourth proportional to 781,020.41, 1,077,908.00 and 436,875.45 is: 602,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,020.41 : 1,077,908.00 = 436,875.45 : x
  2. Step 2: Convert to fraction form
    781,020.41/1,077,908.00 = 436,875.45/x
  3. Step 3: Cross multiply
    781,020.41x = 1,077,908.00 × 436,875.45
  4. Step 4: Simplify right side
    781,020.41x = 470,911,540,374.22
  5. Step 5: Solve for x
    x = 470,911,540,374.22/781,020.41
  6. Step 6: Final answer
    x = 602,943.97

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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.