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Finding the Fourth Proportional to 670,337.04, 925,041.48 and 368,528.72

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Solution

The fourth proportional to 670,337.04, 925,041.48 and 368,528.72 is: 508,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,337.04 : 925,041.48 = 368,528.72 : x
  2. Step 2: Convert to fraction form
    670,337.04/925,041.48 = 368,528.72/x
  3. Step 3: Cross multiply
    670,337.04x = 925,041.48 × 368,528.72
  4. Step 4: Simplify right side
    670,337.04x = 340,904,352,571.31
  5. Step 5: Solve for x
    x = 340,904,352,571.31/670,337.04
  6. Step 6: Final answer
    x = 508,556.64

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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.