Home / 756,821.02-1,133,946.89-456,670.91

Finding the Fourth Proportional to 756,821.02, 1,133,946.89 and 456,670.91

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Solution

The fourth proportional to 756,821.02, 1,133,946.89 and 456,670.91 is: 684,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,821.02 : 1,133,946.89 = 456,670.91 : x
  2. Step 2: Convert to fraction form
    756,821.02/1,133,946.89 = 456,670.91/x
  3. Step 3: Cross multiply
    756,821.02x = 1,133,946.89 × 456,670.91
  4. Step 4: Simplify right side
    756,821.02x = 517,840,562,980.77
  5. Step 5: Solve for x
    x = 517,840,562,980.77/756,821.02
  6. Step 6: Final answer
    x = 684,231.21

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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.