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Finding the Fourth Proportional to 710,704.68, 980,677.98 and 456,400.32

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Solution

The fourth proportional to 710,704.68, 980,677.98 and 456,400.32 is: 629,771.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,704.68 : 980,677.98 = 456,400.32 : x
  2. Step 2: Convert to fraction form
    710,704.68/980,677.98 = 456,400.32/x
  3. Step 3: Cross multiply
    710,704.68x = 980,677.98 × 456,400.32
  4. Step 4: Simplify right side
    710,704.68x = 447,581,743,888.95
  5. Step 5: Solve for x
    x = 447,581,743,888.95/710,704.68
  6. Step 6: Final answer
    x = 629,771.77

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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.