Home / 770,859.40-1,156,116.30-506,475.40

Finding the Fourth Proportional to 770,859.40, 1,156,116.30 and 506,475.40

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Solution

The fourth proportional to 770,859.40, 1,156,116.30 and 506,475.40 is: 759,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,859.40 : 1,156,116.30 = 506,475.40 : x
  2. Step 2: Convert to fraction form
    770,859.40/1,156,116.30 = 506,475.40/x
  3. Step 3: Cross multiply
    770,859.40x = 1,156,116.30 × 506,475.40
  4. Step 4: Simplify right side
    770,859.40x = 585,544,465,489.02
  5. Step 5: Solve for x
    x = 585,544,465,489.02/770,859.40
  6. Step 6: Final answer
    x = 759,599.57

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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.