Home / 652,289.63-900,258.10-397,788.44

Finding the Fourth Proportional to 652,289.63, 900,258.10 and 397,788.44

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Solution

The fourth proportional to 652,289.63, 900,258.10 and 397,788.44 is: 549,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,289.63 : 900,258.10 = 397,788.44 : x
  2. Step 2: Convert to fraction form
    652,289.63/900,258.10 = 397,788.44/x
  3. Step 3: Cross multiply
    652,289.63x = 900,258.10 × 397,788.44
  4. Step 4: Simplify right side
    652,289.63x = 358,112,259,700.60
  5. Step 5: Solve for x
    x = 358,112,259,700.60/652,289.63
  6. Step 6: Final answer
    x = 549,008.06

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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.