Home / 971,075.45-1,457,511.50-491,640.10

Finding the Fourth Proportional to 971,075.45, 1,457,511.50 and 491,640.10

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Solution

The fourth proportional to 971,075.45, 1,457,511.50 and 491,640.10 is: 737,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,075.45 : 1,457,511.50 = 491,640.10 : x
  2. Step 2: Convert to fraction form
    971,075.45/1,457,511.50 = 491,640.10/x
  3. Step 3: Cross multiply
    971,075.45x = 1,457,511.50 × 491,640.10
  4. Step 4: Simplify right side
    971,075.45x = 716,571,097,196.47
  5. Step 5: Solve for x
    x = 716,571,097,196.47/971,075.45
  6. Step 6: Final answer
    x = 737,914.95

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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.