Home / 709,743.70-1,064,615.55-651,682.90

Finding the Fourth Proportional to 709,743.70, 1,064,615.55 and 651,682.90

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Solution

The fourth proportional to 709,743.70, 1,064,615.55 and 651,682.90 is: 977,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,743.70 : 1,064,615.55 = 651,682.90 : x
  2. Step 2: Convert to fraction form
    709,743.70/1,064,615.55 = 651,682.90/x
  3. Step 3: Cross multiply
    709,743.70x = 1,064,615.55 × 651,682.90
  4. Step 4: Simplify right side
    709,743.70x = 693,791,749,009.10
  5. Step 5: Solve for x
    x = 693,791,749,009.10/709,743.70
  6. Step 6: Final answer
    x = 977,524.35

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1.5x scale

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.