Home / 669,839.10-1,005,925.05-354,911.10

Finding the Fourth Proportional to 669,839.10, 1,005,925.05 and 354,911.10

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Solution

The fourth proportional to 669,839.10, 1,005,925.05 and 354,911.10 is: 532,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,839.10 : 1,005,925.05 = 354,911.10 : x
  2. Step 2: Convert to fraction form
    669,839.10/1,005,925.05 = 354,911.10/x
  3. Step 3: Cross multiply
    669,839.10x = 1,005,925.05 × 354,911.10
  4. Step 4: Simplify right side
    669,839.10x = 357,013,966,013.06
  5. Step 5: Solve for x
    x = 357,013,966,013.06/669,839.10
  6. Step 6: Final answer
    x = 532,984.66

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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.