Home / 854,580.40-1,281,870.60-535,715.80

Finding the Fourth Proportional to 854,580.40, 1,281,870.60 and 535,715.80

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Solution

The fourth proportional to 854,580.40, 1,281,870.60 and 535,715.80 is: 803,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,580.40 : 1,281,870.60 = 535,715.80 : x
  2. Step 2: Convert to fraction form
    854,580.40/1,281,870.60 = 535,715.80/x
  3. Step 3: Cross multiply
    854,580.40x = 1,281,870.60 × 535,715.80
  4. Step 4: Simplify right side
    854,580.40x = 686,718,333,975.48
  5. Step 5: Solve for x
    x = 686,718,333,975.48/854,580.40
  6. Step 6: Final answer
    x = 803,573.70

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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.