Home / 767,700.50-1,059,420.77-423,550.94

Finding the Fourth Proportional to 767,700.50, 1,059,420.77 and 423,550.94

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Solution

The fourth proportional to 767,700.50, 1,059,420.77 and 423,550.94 is: 584,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,700.50 : 1,059,420.77 = 423,550.94 : x
  2. Step 2: Convert to fraction form
    767,700.50/1,059,420.77 = 423,550.94/x
  3. Step 3: Cross multiply
    767,700.50x = 1,059,420.77 × 423,550.94
  4. Step 4: Simplify right side
    767,700.50x = 448,718,655,574.17
  5. Step 5: Solve for x
    x = 448,718,655,574.17/767,700.50
  6. Step 6: Final answer
    x = 584,497.02

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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.