Home / 898,544.40-1,348,137.12-385,994.16

Finding the Fourth Proportional to 898,544.40, 1,348,137.12 and 385,994.16

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Solution

The fourth proportional to 898,544.40, 1,348,137.12 and 385,994.16 is: 579,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,544.40 : 1,348,137.12 = 385,994.16 : x
  2. Step 2: Convert to fraction form
    898,544.40/1,348,137.12 = 385,994.16/x
  3. Step 3: Cross multiply
    898,544.40x = 1,348,137.12 × 385,994.16
  4. Step 4: Simplify right side
    898,544.40x = 520,373,055,199.22
  5. Step 5: Solve for x
    x = 520,373,055,199.22/898,544.40
  6. Step 6: Final answer
    x = 579,128.93

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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.