Home / 901,048.86-1,243,724.13-519,329.70

Finding the Fourth Proportional to 901,048.86, 1,243,724.13 and 519,329.70

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Solution

The fourth proportional to 901,048.86, 1,243,724.13 and 519,329.70 is: 716,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,048.86 : 1,243,724.13 = 519,329.70 : x
  2. Step 2: Convert to fraction form
    901,048.86/1,243,724.13 = 519,329.70/x
  3. Step 3: Cross multiply
    901,048.86x = 1,243,724.13 × 519,329.70
  4. Step 4: Simplify right side
    901,048.86x = 645,902,879,315.66
  5. Step 5: Solve for x
    x = 645,902,879,315.66/901,048.86
  6. Step 6: Final answer
    x = 716,834.47

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Double scale
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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.