Home / 738,075.40-1,107,113.10-472,136.20

Finding the Fourth Proportional to 738,075.40, 1,107,113.10 and 472,136.20

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Solution

The fourth proportional to 738,075.40, 1,107,113.10 and 472,136.20 is: 708,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,075.40 : 1,107,113.10 = 472,136.20 : x
  2. Step 2: Convert to fraction form
    738,075.40/1,107,113.10 = 472,136.20/x
  3. Step 3: Cross multiply
    738,075.40x = 1,107,113.10 × 472,136.20
  4. Step 4: Simplify right side
    738,075.40x = 522,708,172,004.22
  5. Step 5: Solve for x
    x = 522,708,172,004.22/738,075.40
  6. Step 6: Final answer
    x = 708,204.30

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Double scale
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Similar ratio
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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.