Home / 947,283.86-1,307,270.54-517,590.65

Finding the Fourth Proportional to 947,283.86, 1,307,270.54 and 517,590.65

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Solution

The fourth proportional to 947,283.86, 1,307,270.54 and 517,590.65 is: 714,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,283.86 : 1,307,270.54 = 517,590.65 : x
  2. Step 2: Convert to fraction form
    947,283.86/1,307,270.54 = 517,590.65/x
  3. Step 3: Cross multiply
    947,283.86x = 1,307,270.54 × 517,590.65
  4. Step 4: Simplify right side
    947,283.86x = 676,631,008,524.45
  5. Step 5: Solve for x
    x = 676,631,008,524.45/947,283.86
  6. Step 6: Final answer
    x = 714,285.38

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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.