Home / 930,205.20-1,395,307.80-662,516.40

Finding the Fourth Proportional to 930,205.20, 1,395,307.80 and 662,516.40

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Solution

The fourth proportional to 930,205.20, 1,395,307.80 and 662,516.40 is: 993,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,205.20 : 1,395,307.80 = 662,516.40 : x
  2. Step 2: Convert to fraction form
    930,205.20/1,395,307.80 = 662,516.40/x
  3. Step 3: Cross multiply
    930,205.20x = 1,395,307.80 × 662,516.40
  4. Step 4: Simplify right side
    930,205.20x = 924,414,300,547.92
  5. Step 5: Solve for x
    x = 924,414,300,547.92/930,205.20
  6. Step 6: Final answer
    x = 993,774.60

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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.