Home / 670,273.60-1,006,576.80-649,278.40

Finding the Fourth Proportional to 670,273.60, 1,006,576.80 and 649,278.40

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Solution

The fourth proportional to 670,273.60, 1,006,576.80 and 649,278.40 is: 975,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,273.60 : 1,006,576.80 = 649,278.40 : x
  2. Step 2: Convert to fraction form
    670,273.60/1,006,576.80 = 649,278.40/x
  3. Step 3: Cross multiply
    670,273.60x = 1,006,576.80 × 649,278.40
  4. Step 4: Simplify right side
    670,273.60x = 653,548,574,181.12
  5. Step 5: Solve for x
    x = 653,548,574,181.12/670,273.60
  6. Step 6: Final answer
    x = 975,047.46

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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.