Home / 524,799.20-787,587.60-209,482.40

Finding the Fourth Proportional to 524,799.20, 787,587.60 and 209,482.40

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Solution

The fourth proportional to 524,799.20, 787,587.60 and 209,482.40 is: 314,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,799.20 : 787,587.60 = 209,482.40 : x
  2. Step 2: Convert to fraction form
    524,799.20/787,587.60 = 209,482.40/x
  3. Step 3: Cross multiply
    524,799.20x = 787,587.60 × 209,482.40
  4. Step 4: Simplify right side
    524,799.20x = 164,985,740,658.24
  5. Step 5: Solve for x
    x = 164,985,740,658.24/524,799.20
  6. Step 6: Final answer
    x = 314,378.80

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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.