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Finding the Fourth Proportional to 614,139.58, 920,510.55 and 373,723.24

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Solution

The fourth proportional to 614,139.58, 920,510.55 and 373,723.24 is: 560,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,139.58 : 920,510.55 = 373,723.24 : x
  2. Step 2: Convert to fraction form
    614,139.58/920,510.55 = 373,723.24/x
  3. Step 3: Cross multiply
    614,139.58x = 920,510.55 × 373,723.24
  4. Step 4: Simplify right side
    614,139.58x = 344,016,185,200.18
  5. Step 5: Solve for x
    x = 344,016,185,200.18/614,139.58
  6. Step 6: Final answer
    x = 560,159.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.