Home / 702,948.55-1,054,422.83-670,289.35

Finding the Fourth Proportional to 702,948.55, 1,054,422.83 and 670,289.35

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Solution

The fourth proportional to 702,948.55, 1,054,422.83 and 670,289.35 is: 1,005,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,948.55 : 1,054,422.83 = 670,289.35 : x
  2. Step 2: Convert to fraction form
    702,948.55/1,054,422.83 = 670,289.35/x
  3. Step 3: Cross multiply
    702,948.55x = 1,054,422.83 × 670,289.35
  4. Step 4: Simplify right side
    702,948.55x = 706,768,389,994.41
  5. Step 5: Solve for x
    x = 706,768,389,994.41/702,948.55
  6. Step 6: Final answer
    x = 1,005,434.03

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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.