Home / 648,772.40-973,158.60-470,442.80

Finding the Fourth Proportional to 648,772.40, 973,158.60 and 470,442.80

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Solution

The fourth proportional to 648,772.40, 973,158.60 and 470,442.80 is: 705,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,772.40 : 973,158.60 = 470,442.80 : x
  2. Step 2: Convert to fraction form
    648,772.40/973,158.60 = 470,442.80/x
  3. Step 3: Cross multiply
    648,772.40x = 973,158.60 × 470,442.80
  4. Step 4: Simplify right side
    648,772.40x = 457,815,456,628.08
  5. Step 5: Solve for x
    x = 457,815,456,628.08/648,772.40
  6. Step 6: Final answer
    x = 705,664.20

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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.