Home / 830,475.18-1,146,059.70-467,904.81

Finding the Fourth Proportional to 830,475.18, 1,146,059.70 and 467,904.81

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Solution

The fourth proportional to 830,475.18, 1,146,059.70 and 467,904.81 is: 645,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,475.18 : 1,146,059.70 = 467,904.81 : x
  2. Step 2: Convert to fraction form
    830,475.18/1,146,059.70 = 467,904.81/x
  3. Step 3: Cross multiply
    830,475.18x = 1,146,059.70 × 467,904.81
  4. Step 4: Simplify right side
    830,475.18x = 536,246,846,177.16
  5. Step 5: Solve for x
    x = 536,246,846,177.16/830,475.18
  6. Step 6: Final answer
    x = 645,710.86

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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.