Home / 760,219.05-1,140,328.54-349,846.93

Finding the Fourth Proportional to 760,219.05, 1,140,328.54 and 349,846.93

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Solution

The fourth proportional to 760,219.05, 1,140,328.54 and 349,846.93 is: 524,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,219.05 : 1,140,328.54 = 349,846.93 : x
  2. Step 2: Convert to fraction form
    760,219.05/1,140,328.54 = 349,846.93/x
  3. Step 3: Cross multiply
    760,219.05x = 1,140,328.54 × 349,846.93
  4. Step 4: Simplify right side
    760,219.05x = 398,940,431,459.51
  5. Step 5: Solve for x
    x = 398,940,431,459.51/760,219.05
  6. Step 6: Final answer
    x = 524,770.37

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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.