Home / 890,644.60-1,336,802.10-470,222.20

Finding the Fourth Proportional to 890,644.60, 1,336,802.10 and 470,222.20

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Solution

The fourth proportional to 890,644.60, 1,336,802.10 and 470,222.20 is: 705,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,644.60 : 1,336,802.10 = 470,222.20 : x
  2. Step 2: Convert to fraction form
    890,644.60/1,336,802.10 = 470,222.20/x
  3. Step 3: Cross multiply
    890,644.60x = 1,336,802.10 × 470,222.20
  4. Step 4: Simplify right side
    890,644.60x = 628,594,024,426.62
  5. Step 5: Solve for x
    x = 628,594,024,426.62/890,644.60
  6. Step 6: Final answer
    x = 705,774.25

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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.