Home / 830,562.72-1,146,200.40-467,990.88

Finding the Fourth Proportional to 830,562.72, 1,146,200.40 and 467,990.88

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Solution

The fourth proportional to 830,562.72, 1,146,200.40 and 467,990.88 is: 645,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,562.72 : 1,146,200.40 = 467,990.88 : x
  2. Step 2: Convert to fraction form
    830,562.72/1,146,200.40 = 467,990.88/x
  3. Step 3: Cross multiply
    830,562.72x = 1,146,200.40 × 467,990.88
  4. Step 4: Simplify right side
    830,562.72x = 536,411,333,852.35
  5. Step 5: Solve for x
    x = 536,411,333,852.35/830,562.72
  6. Step 6: Final answer
    x = 645,840.85

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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.