Home / 572,075.19-789,461.24-317,425.77

Finding the Fourth Proportional to 572,075.19, 789,461.24 and 317,425.77

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Solution

The fourth proportional to 572,075.19, 789,461.24 and 317,425.77 is: 438,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,075.19 : 789,461.24 = 317,425.77 : x
  2. Step 2: Convert to fraction form
    572,075.19/789,461.24 = 317,425.77/x
  3. Step 3: Cross multiply
    572,075.19x = 789,461.24 × 317,425.77
  4. Step 4: Simplify right side
    572,075.19x = 250,595,340,405.03
  5. Step 5: Solve for x
    x = 250,595,340,405.03/572,075.19
  6. Step 6: Final answer
    x = 438,046.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.