Home / 537,885.20-742,281.60-299,421.20

Finding the Fourth Proportional to 537,885.20, 742,281.60 and 299,421.20

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Solution

The fourth proportional to 537,885.20, 742,281.60 and 299,421.20 is: 413,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,885.20 : 742,281.60 = 299,421.20 : x
  2. Step 2: Convert to fraction form
    537,885.20/742,281.60 = 299,421.20/x
  3. Step 3: Cross multiply
    537,885.20x = 742,281.60 × 299,421.20
  4. Step 4: Simplify right side
    537,885.20x = 222,254,843,698.51
  5. Step 5: Solve for x
    x = 222,254,843,698.51/537,885.20
  6. Step 6: Final answer
    x = 413,201.27

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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.