Home / 653,748.18-980,686.02-254,421.42

Finding the Fourth Proportional to 653,748.18, 980,686.02 and 254,421.42

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Solution

The fourth proportional to 653,748.18, 980,686.02 and 254,421.42 is: 381,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,748.18 : 980,686.02 = 254,421.42 : x
  2. Step 2: Convert to fraction form
    653,748.18/980,686.02 = 254,421.42/x
  3. Step 3: Cross multiply
    653,748.18x = 980,686.02 × 254,421.42
  4. Step 4: Simplify right side
    653,748.18x = 249,507,529,782.55
  5. Step 5: Solve for x
    x = 249,507,529,782.55/653,748.18
  6. Step 6: Final answer
    x = 381,656.94

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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.