Home / 760,190.27-1,138,355.37-456,395.46

Finding the Fourth Proportional to 760,190.27, 1,138,355.37 and 456,395.46

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Solution

The fourth proportional to 760,190.27, 1,138,355.37 and 456,395.46 is: 683,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,190.27 : 1,138,355.37 = 456,395.46 : x
  2. Step 2: Convert to fraction form
    760,190.27/1,138,355.37 = 456,395.46/x
  3. Step 3: Cross multiply
    760,190.27x = 1,138,355.37 × 456,395.46
  4. Step 4: Simplify right side
    760,190.27x = 519,540,224,869.04
  5. Step 5: Solve for x
    x = 519,540,224,869.04/760,190.27
  6. Step 6: Final answer
    x = 683,434.46

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1.5x scale

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.