Home / 913,479.69-1,260,592.61-505,582.32

Finding the Fourth Proportional to 913,479.69, 1,260,592.61 and 505,582.32

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Solution

The fourth proportional to 913,479.69, 1,260,592.61 and 505,582.32 is: 697,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,479.69 : 1,260,592.61 = 505,582.32 : x
  2. Step 2: Convert to fraction form
    913,479.69/1,260,592.61 = 505,582.32/x
  3. Step 3: Cross multiply
    913,479.69x = 1,260,592.61 × 505,582.32
  4. Step 4: Simplify right side
    913,479.69x = 637,333,333,810.74
  5. Step 5: Solve for x
    x = 637,333,333,810.74/913,479.69
  6. Step 6: Final answer
    x = 697,698.42

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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.