Home / 1,384,307.40-2,076,072.30-437,968.20

Finding the Fourth Proportional to 1,384,307.40, 2,076,072.30 and 437,968.20

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Solution

The fourth proportional to 1,384,307.40, 2,076,072.30 and 437,968.20 is: 656,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,307.40 : 2,076,072.30 = 437,968.20 : x
  2. Step 2: Convert to fraction form
    1,384,307.40/2,076,072.30 = 437,968.20/x
  3. Step 3: Cross multiply
    1,384,307.40x = 2,076,072.30 × 437,968.20
  4. Step 4: Simplify right side
    1,384,307.40x = 909,253,648,300.86
  5. Step 5: Solve for x
    x = 909,253,648,300.86/1,384,307.40
  6. Step 6: Final answer
    x = 656,829.29

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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.