Home / 898,748.13-1,240,280.88-511,544.64

Finding the Fourth Proportional to 898,748.13, 1,240,280.88 and 511,544.64

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Solution

The fourth proportional to 898,748.13, 1,240,280.88 and 511,544.64 is: 705,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,748.13 : 1,240,280.88 = 511,544.64 : x
  2. Step 2: Convert to fraction form
    898,748.13/1,240,280.88 = 511,544.64/x
  3. Step 3: Cross multiply
    898,748.13x = 1,240,280.88 × 511,544.64
  4. Step 4: Simplify right side
    898,748.13x = 634,459,036,258.48
  5. Step 5: Solve for x
    x = 634,459,036,258.48/898,748.13
  6. Step 6: Final answer
    x = 705,936.42

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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.