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Finding the Fourth Proportional to 384,673.20, 577,009.80 and 366,302.40

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Solution

The fourth proportional to 384,673.20, 577,009.80 and 366,302.40 is: 549,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,673.20 : 577,009.80 = 366,302.40 : x
  2. Step 2: Convert to fraction form
    384,673.20/577,009.80 = 366,302.40/x
  3. Step 3: Cross multiply
    384,673.20x = 577,009.80 × 366,302.40
  4. Step 4: Simplify right side
    384,673.20x = 211,360,074,563.52
  5. Step 5: Solve for x
    x = 211,360,074,563.52/384,673.20
  6. Step 6: Final answer
    x = 549,453.60

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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.