Home / 759,096.63-1,047,138.64-486,861.57

Finding the Fourth Proportional to 759,096.63, 1,047,138.64 and 486,861.57

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Solution

The fourth proportional to 759,096.63, 1,047,138.64 and 486,861.57 is: 671,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,096.63 : 1,047,138.64 = 486,861.57 : x
  2. Step 2: Convert to fraction form
    759,096.63/1,047,138.64 = 486,861.57/x
  3. Step 3: Cross multiply
    759,096.63x = 1,047,138.64 × 486,861.57
  4. Step 4: Simplify right side
    759,096.63x = 509,811,561,060.91
  5. Step 5: Solve for x
    x = 509,811,561,060.91/759,096.63
  6. Step 6: Final answer
    x = 671,602.98

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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.