Home / 757,968.18-1,045,993.95-418,434

Finding the Fourth Proportional to 757,968.18, 1,045,993.95 and 418,434

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Solution

The fourth proportional to 757,968.18, 1,045,993.95 and 418,434 is: 577,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,968.18 : 1,045,993.95 = 418,434 : x
  2. Step 2: Convert to fraction form
    757,968.18/1,045,993.95 = 418,434/x
  3. Step 3: Cross multiply
    757,968.18x = 1,045,993.95 × 418,434
  4. Step 4: Simplify right side
    757,968.18x = 437,679,432,474.30
  5. Step 5: Solve for x
    x = 437,679,432,474.30/757,968.18
  6. Step 6: Final answer
    x = 577,437.74

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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.