Home / 770,551.12-1,063,302.78-430,953.76

Finding the Fourth Proportional to 770,551.12, 1,063,302.78 and 430,953.76

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Solution

The fourth proportional to 770,551.12, 1,063,302.78 and 430,953.76 is: 594,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,551.12 : 1,063,302.78 = 430,953.76 : x
  2. Step 2: Convert to fraction form
    770,551.12/1,063,302.78 = 430,953.76/x
  3. Step 3: Cross multiply
    770,551.12x = 1,063,302.78 × 430,953.76
  4. Step 4: Simplify right side
    770,551.12x = 458,234,331,059.45
  5. Step 5: Solve for x
    x = 458,234,331,059.45/770,551.12
  6. Step 6: Final answer
    x = 594,683.88

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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.