Home / 871,017.80-1,308,081.90-634,627.40

Finding the Fourth Proportional to 871,017.80, 1,308,081.90 and 634,627.40

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Solution

The fourth proportional to 871,017.80, 1,308,081.90 and 634,627.40 is: 953,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,017.80 : 1,308,081.90 = 634,627.40 : x
  2. Step 2: Convert to fraction form
    871,017.80/1,308,081.90 = 634,627.40/x
  3. Step 3: Cross multiply
    871,017.80x = 1,308,081.90 × 634,627.40
  4. Step 4: Simplify right side
    871,017.80x = 830,144,615,184.06
  5. Step 5: Solve for x
    x = 830,144,615,184.06/871,017.80
  6. Step 6: Final answer
    x = 953,074.23

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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.