Home / 908,982.89-1,254,400.32-501,075.95

Finding the Fourth Proportional to 908,982.89, 1,254,400.32 and 501,075.95

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Solution

The fourth proportional to 908,982.89, 1,254,400.32 and 501,075.95 is: 691,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,982.89 : 1,254,400.32 = 501,075.95 : x
  2. Step 2: Convert to fraction form
    908,982.89/1,254,400.32 = 501,075.95/x
  3. Step 3: Cross multiply
    908,982.89x = 1,254,400.32 × 501,075.95
  4. Step 4: Simplify right side
    908,982.89x = 628,549,823,246.92
  5. Step 5: Solve for x
    x = 628,549,823,246.92/908,982.89
  6. Step 6: Final answer
    x = 691,486.97

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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.