Home / 977,432.40-1,465,688.48-378,673.92

Finding the Fourth Proportional to 977,432.40, 1,465,688.48 and 378,673.92

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Solution

The fourth proportional to 977,432.40, 1,465,688.48 and 378,673.92 is: 567,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,432.40 : 1,465,688.48 = 378,673.92 : x
  2. Step 2: Convert to fraction form
    977,432.40/1,465,688.48 = 378,673.92/x
  3. Step 3: Cross multiply
    977,432.40x = 1,465,688.48 × 378,673.92
  4. Step 4: Simplify right side
    977,432.40x = 555,018,002,220.44
  5. Step 5: Solve for x
    x = 555,018,002,220.44/977,432.40
  6. Step 6: Final answer
    x = 567,832.62

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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.