Home / 970,320.60-1,455,999.30-437,923.80

Finding the Fourth Proportional to 970,320.60, 1,455,999.30 and 437,923.80

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Solution

The fourth proportional to 970,320.60, 1,455,999.30 and 437,923.80 is: 657,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,320.60 : 1,455,999.30 = 437,923.80 : x
  2. Step 2: Convert to fraction form
    970,320.60/1,455,999.30 = 437,923.80/x
  3. Step 3: Cross multiply
    970,320.60x = 1,455,999.30 × 437,923.80
  4. Step 4: Simplify right side
    970,320.60x = 637,616,746,253.34
  5. Step 5: Solve for x
    x = 637,616,746,253.34/970,320.60
  6. Step 6: Final answer
    x = 657,119.66

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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.