Home / 977,823.70-1,467,018.47-408,911.15

Finding the Fourth Proportional to 977,823.70, 1,467,018.47 and 408,911.15

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Solution

The fourth proportional to 977,823.70, 1,467,018.47 and 408,911.15 is: 613,485.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,823.70 : 1,467,018.47 = 408,911.15 : x
  2. Step 2: Convert to fraction form
    977,823.70/1,467,018.47 = 408,911.15/x
  3. Step 3: Cross multiply
    977,823.70x = 1,467,018.47 × 408,911.15
  4. Step 4: Simplify right side
    977,823.70x = 599,880,214,328.77
  5. Step 5: Solve for x
    x = 599,880,214,328.77/977,823.70
  6. Step 6: Final answer
    x = 613,485.04

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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.