Home / 887,259.40-1,330,889.10-677,307.40

Finding the Fourth Proportional to 887,259.40, 1,330,889.10 and 677,307.40

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Solution

The fourth proportional to 887,259.40, 1,330,889.10 and 677,307.40 is: 1,015,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,259.40 : 1,330,889.10 = 677,307.40 : x
  2. Step 2: Convert to fraction form
    887,259.40/1,330,889.10 = 677,307.40/x
  3. Step 3: Cross multiply
    887,259.40x = 1,330,889.10 × 677,307.40
  4. Step 4: Simplify right side
    887,259.40x = 901,421,036,009.34
  5. Step 5: Solve for x
    x = 901,421,036,009.34/887,259.40
  6. Step 6: Final answer
    x = 1,015,961.10

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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.