Home / 757,966.68-1,045,991.88-418,432.50

Finding the Fourth Proportional to 757,966.68, 1,045,991.88 and 418,432.50

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Solution

The fourth proportional to 757,966.68, 1,045,991.88 and 418,432.50 is: 577,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,966.68 : 1,045,991.88 = 418,432.50 : x
  2. Step 2: Convert to fraction form
    757,966.68/1,045,991.88 = 418,432.50/x
  3. Step 3: Cross multiply
    757,966.68x = 1,045,991.88 × 418,432.50
  4. Step 4: Simplify right side
    757,966.68x = 437,676,997,328.10
  5. Step 5: Solve for x
    x = 437,676,997,328.10/757,966.68
  6. Step 6: Final answer
    x = 577,435.67

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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.