Home / 563,688.24-777,929.04-309,055.86

Finding the Fourth Proportional to 563,688.24, 777,929.04 and 309,055.86

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Solution

The fourth proportional to 563,688.24, 777,929.04 and 309,055.86 is: 426,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,688.24 : 777,929.04 = 309,055.86 : x
  2. Step 2: Convert to fraction form
    563,688.24/777,929.04 = 309,055.86/x
  3. Step 3: Cross multiply
    563,688.24x = 777,929.04 × 309,055.86
  4. Step 4: Simplify right side
    563,688.24x = 240,423,528,476.17
  5. Step 5: Solve for x
    x = 240,423,528,476.17/563,688.24
  6. Step 6: Final answer
    x = 426,518.62

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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.