Home / 877,510.20-1,316,265.30-573,079.80

Finding the Fourth Proportional to 877,510.20, 1,316,265.30 and 573,079.80

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Solution

The fourth proportional to 877,510.20, 1,316,265.30 and 573,079.80 is: 859,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,510.20 : 1,316,265.30 = 573,079.80 : x
  2. Step 2: Convert to fraction form
    877,510.20/1,316,265.30 = 573,079.80/x
  3. Step 3: Cross multiply
    877,510.20x = 1,316,265.30 × 573,079.80
  4. Step 4: Simplify right side
    877,510.20x = 754,325,054,870.94
  5. Step 5: Solve for x
    x = 754,325,054,870.94/877,510.20
  6. Step 6: Final answer
    x = 859,619.70

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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.