Home / 871,423.02-1,308,253.95-671,870.16

Finding the Fourth Proportional to 871,423.02, 1,308,253.95 and 671,870.16

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Solution

The fourth proportional to 871,423.02, 1,308,253.95 and 671,870.16 is: 1,008,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,423.02 : 1,308,253.95 = 671,870.16 : x
  2. Step 2: Convert to fraction form
    871,423.02/1,308,253.95 = 671,870.16/x
  3. Step 3: Cross multiply
    871,423.02x = 1,308,253.95 × 671,870.16
  4. Step 4: Simplify right side
    871,423.02x = 878,976,790,707.13
  5. Step 5: Solve for x
    x = 878,976,790,707.13/871,423.02
  6. Step 6: Final answer
    x = 1,008,668.32

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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.