Home / 810,811.68-1,216,348.16-249,845.92

Finding the Fourth Proportional to 810,811.68, 1,216,348.16 and 249,845.92

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Solution

The fourth proportional to 810,811.68, 1,216,348.16 and 249,845.92 is: 374,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,811.68 : 1,216,348.16 = 249,845.92 : x
  2. Step 2: Convert to fraction form
    810,811.68/1,216,348.16 = 249,845.92/x
  3. Step 3: Cross multiply
    810,811.68x = 1,216,348.16 × 249,845.92
  4. Step 4: Simplify right side
    810,811.68x = 303,899,625,075.51
  5. Step 5: Solve for x
    x = 303,899,625,075.51/810,811.68
  6. Step 6: Final answer
    x = 374,809.14

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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.