Home / 918,352.51-1,377,542.77-349,765.18

Finding the Fourth Proportional to 918,352.51, 1,377,542.77 and 349,765.18

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Solution

The fourth proportional to 918,352.51, 1,377,542.77 and 349,765.18 is: 524,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,352.51 : 1,377,542.77 = 349,765.18 : x
  2. Step 2: Convert to fraction form
    918,352.51/1,377,542.77 = 349,765.18/x
  3. Step 3: Cross multiply
    918,352.51x = 1,377,542.77 × 349,765.18
  4. Step 4: Simplify right side
    918,352.51x = 481,816,490,588.48
  5. Step 5: Solve for x
    x = 481,816,490,588.48/918,352.51
  6. Step 6: Final answer
    x = 524,653.10

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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.