Home / 918,329.48-1,377,508.25-349,742.18

Finding the Fourth Proportional to 918,329.48, 1,377,508.25 and 349,742.18

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Solution

The fourth proportional to 918,329.48, 1,377,508.25 and 349,742.18 is: 524,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,329.48 : 1,377,508.25 = 349,742.18 : x
  2. Step 2: Convert to fraction form
    918,329.48/1,377,508.25 = 349,742.18/x
  3. Step 3: Cross multiply
    918,329.48x = 1,377,508.25 × 349,742.18
  4. Step 4: Simplify right side
    918,329.48x = 481,772,736,574.27
  5. Step 5: Solve for x
    x = 481,772,736,574.27/918,329.48
  6. Step 6: Final answer
    x = 524,618.61

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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.