Home / 713,946.99-1,071,020.70-208,545.06

Finding the Fourth Proportional to 713,946.99, 1,071,020.70 and 208,545.06

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Solution

The fourth proportional to 713,946.99, 1,071,020.70 and 208,545.06 is: 312,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,946.99 : 1,071,020.70 = 208,545.06 : x
  2. Step 2: Convert to fraction form
    713,946.99/1,071,020.70 = 208,545.06/x
  3. Step 3: Cross multiply
    713,946.99x = 1,071,020.70 × 208,545.06
  4. Step 4: Simplify right side
    713,946.99x = 223,356,076,142.74
  5. Step 5: Solve for x
    x = 223,356,076,142.74/713,946.99
  6. Step 6: Final answer
    x = 312,846.86

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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.