Home / 905,915.81-1,357,877.25-373,146.21

Finding the Fourth Proportional to 905,915.81, 1,357,877.25 and 373,146.21

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Solution

The fourth proportional to 905,915.81, 1,357,877.25 and 373,146.21 is: 559,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,915.81 : 1,357,877.25 = 373,146.21 : x
  2. Step 2: Convert to fraction form
    905,915.81/1,357,877.25 = 373,146.21/x
  3. Step 3: Cross multiply
    905,915.81x = 1,357,877.25 × 373,146.21
  4. Step 4: Simplify right side
    905,915.81x = 506,686,749,482.72
  5. Step 5: Solve for x
    x = 506,686,749,482.72/905,915.81
  6. Step 6: Final answer
    x = 559,308.87

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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.