Home / 849,047.40-1,171,660.90-467,074.28

Finding the Fourth Proportional to 849,047.40, 1,171,660.90 and 467,074.28

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Solution

The fourth proportional to 849,047.40, 1,171,660.90 and 467,074.28 is: 644,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,047.40 : 1,171,660.90 = 467,074.28 : x
  2. Step 2: Convert to fraction form
    849,047.40/1,171,660.90 = 467,074.28/x
  3. Step 3: Cross multiply
    849,047.40x = 1,171,660.90 × 467,074.28
  4. Step 4: Simplify right side
    849,047.40x = 547,252,671,271.65
  5. Step 5: Solve for x
    x = 547,252,671,271.65/849,047.40
  6. Step 6: Final answer
    x = 644,549.02

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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.