Home / 702,948.30-1,054,422.45-670,289.10

Finding the Fourth Proportional to 702,948.30, 1,054,422.45 and 670,289.10

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Solution

The fourth proportional to 702,948.30, 1,054,422.45 and 670,289.10 is: 1,005,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,948.30 : 1,054,422.45 = 670,289.10 : x
  2. Step 2: Convert to fraction form
    702,948.30/1,054,422.45 = 670,289.10/x
  3. Step 3: Cross multiply
    702,948.30x = 1,054,422.45 × 670,289.10
  4. Step 4: Simplify right side
    702,948.30x = 706,767,875,030.30
  5. Step 5: Solve for x
    x = 706,767,875,030.30/702,948.30
  6. Step 6: Final answer
    x = 1,005,433.65

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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.