Home / 765,607.95-1,056,528.59-426,076.20

Finding the Fourth Proportional to 765,607.95, 1,056,528.59 and 426,076.20

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Solution

The fourth proportional to 765,607.95, 1,056,528.59 and 426,076.20 is: 587,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,607.95 : 1,056,528.59 = 426,076.20 : x
  2. Step 2: Convert to fraction form
    765,607.95/1,056,528.59 = 426,076.20/x
  3. Step 3: Cross multiply
    765,607.95x = 1,056,528.59 × 426,076.20
  4. Step 4: Simplify right side
    765,607.95x = 450,161,684,688.18
  5. Step 5: Solve for x
    x = 450,161,684,688.18/765,607.95
  6. Step 6: Final answer
    x = 587,979.38

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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.