Home / 739,341.99-1,020,292.34-399,810.24

Finding the Fourth Proportional to 739,341.99, 1,020,292.34 and 399,810.24

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Solution

The fourth proportional to 739,341.99, 1,020,292.34 and 399,810.24 is: 551,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,341.99 : 1,020,292.34 = 399,810.24 : x
  2. Step 2: Convert to fraction form
    739,341.99/1,020,292.34 = 399,810.24/x
  3. Step 3: Cross multiply
    739,341.99x = 1,020,292.34 × 399,810.24
  4. Step 4: Simplify right side
    739,341.99x = 407,923,323,326.51
  5. Step 5: Solve for x
    x = 407,923,323,326.51/739,341.99
  6. Step 6: Final answer
    x = 551,738.34

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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.