Home / 760,938.22-1,050,105.63-438,642.46

Finding the Fourth Proportional to 760,938.22, 1,050,105.63 and 438,642.46

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Solution

The fourth proportional to 760,938.22, 1,050,105.63 and 438,642.46 is: 605,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,938.22 : 1,050,105.63 = 438,642.46 : x
  2. Step 2: Convert to fraction form
    760,938.22/1,050,105.63 = 438,642.46/x
  3. Step 3: Cross multiply
    760,938.22x = 1,050,105.63 × 438,642.46
  4. Step 4: Simplify right side
    760,938.22x = 460,620,916,803.05
  5. Step 5: Solve for x
    x = 460,620,916,803.05/760,938.22
  6. Step 6: Final answer
    x = 605,332.87

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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.