Home / 690,356.18-1,035,526.05-178,018.63

Finding the Fourth Proportional to 690,356.18, 1,035,526.05 and 178,018.63

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Solution

The fourth proportional to 690,356.18, 1,035,526.05 and 178,018.63 is: 267,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,356.18 : 1,035,526.05 = 178,018.63 : x
  2. Step 2: Convert to fraction form
    690,356.18/1,035,526.05 = 178,018.63/x
  3. Step 3: Cross multiply
    690,356.18x = 1,035,526.05 × 178,018.63
  4. Step 4: Simplify right side
    690,356.18x = 184,342,926,161.50
  5. Step 5: Solve for x
    x = 184,342,926,161.50/690,356.18
  6. Step 6: Final answer
    x = 267,025.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.