Home / 830,500.68-1,146,015.72-467,983.56

Finding the Fourth Proportional to 830,500.68, 1,146,015.72 and 467,983.56

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Solution

The fourth proportional to 830,500.68, 1,146,015.72 and 467,983.56 is: 645,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,500.68 : 1,146,015.72 = 467,983.56 : x
  2. Step 2: Convert to fraction form
    830,500.68/1,146,015.72 = 467,983.56/x
  3. Step 3: Cross multiply
    830,500.68x = 1,146,015.72 × 467,983.56
  4. Step 4: Simplify right side
    830,500.68x = 536,316,516,461.56
  5. Step 5: Solve for x
    x = 536,316,516,461.56/830,500.68
  6. Step 6: Final answer
    x = 645,774.93

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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.