Home / 644,075.04-888,851.32-357,595.14

Finding the Fourth Proportional to 644,075.04, 888,851.32 and 357,595.14

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Solution

The fourth proportional to 644,075.04, 888,851.32 and 357,595.14 is: 493,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,075.04 : 888,851.32 = 357,595.14 : x
  2. Step 2: Convert to fraction form
    644,075.04/888,851.32 = 357,595.14/x
  3. Step 3: Cross multiply
    644,075.04x = 888,851.32 × 357,595.14
  4. Step 4: Simplify right side
    644,075.04x = 317,848,912,214.59
  5. Step 5: Solve for x
    x = 317,848,912,214.59/644,075.04
  6. Step 6: Final answer
    x = 493,496.71

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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.