Home / 872,341.12-1,308,510.08-273,348.16

Finding the Fourth Proportional to 872,341.12, 1,308,510.08 and 273,348.16

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Solution

The fourth proportional to 872,341.12, 1,308,510.08 and 273,348.16 is: 410,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,341.12 : 1,308,510.08 = 273,348.16 : x
  2. Step 2: Convert to fraction form
    872,341.12/1,308,510.08 = 273,348.16/x
  3. Step 3: Cross multiply
    872,341.12x = 1,308,510.08 × 273,348.16
  4. Step 4: Simplify right side
    872,341.12x = 357,678,822,709.45
  5. Step 5: Solve for x
    x = 357,678,822,709.45/872,341.12
  6. Step 6: Final answer
    x = 410,021.74

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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.