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Finding the Fourth Proportional to 710,761.68, 980,756.37 and 456,457.32

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Solution

The fourth proportional to 710,761.68, 980,756.37 and 456,457.32 is: 629,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,761.68 : 980,756.37 = 456,457.32 : x
  2. Step 2: Convert to fraction form
    710,761.68/980,756.37 = 456,457.32/x
  3. Step 3: Cross multiply
    710,761.68x = 980,756.37 × 456,457.32
  4. Step 4: Simplify right side
    710,761.68x = 447,673,424,223.13
  5. Step 5: Solve for x
    x = 447,673,424,223.13/710,761.68
  6. Step 6: Final answer
    x = 629,850.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.