Home / 757,702.45-1,045,764.84-451,798.53

Finding the Fourth Proportional to 757,702.45, 1,045,764.84 and 451,798.53

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Solution

The fourth proportional to 757,702.45, 1,045,764.84 and 451,798.53 is: 623,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,702.45 : 1,045,764.84 = 451,798.53 : x
  2. Step 2: Convert to fraction form
    757,702.45/1,045,764.84 = 451,798.53/x
  3. Step 3: Cross multiply
    757,702.45x = 1,045,764.84 × 451,798.53
  4. Step 4: Simplify right side
    757,702.45x = 472,475,017,437.69
  5. Step 5: Solve for x
    x = 472,475,017,437.69/757,702.45
  6. Step 6: Final answer
    x = 623,562.74

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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.