Home / 710,564.70-1,065,847.05-512,276.70

Finding the Fourth Proportional to 710,564.70, 1,065,847.05 and 512,276.70

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Solution

The fourth proportional to 710,564.70, 1,065,847.05 and 512,276.70 is: 768,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,564.70 : 1,065,847.05 = 512,276.70 : x
  2. Step 2: Convert to fraction form
    710,564.70/1,065,847.05 = 512,276.70/x
  3. Step 3: Cross multiply
    710,564.70x = 1,065,847.05 × 512,276.70
  4. Step 4: Simplify right side
    710,564.70x = 546,008,609,478.74
  5. Step 5: Solve for x
    x = 546,008,609,478.74/710,564.70
  6. Step 6: Final answer
    x = 768,415.05

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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.