Home / 887,804.16-1,225,026.72-505,838.40

Finding the Fourth Proportional to 887,804.16, 1,225,026.72 and 505,838.40

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Solution

The fourth proportional to 887,804.16, 1,225,026.72 and 505,838.40 is: 697,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,804.16 : 1,225,026.72 = 505,838.40 : x
  2. Step 2: Convert to fraction form
    887,804.16/1,225,026.72 = 505,838.40/x
  3. Step 3: Cross multiply
    887,804.16x = 1,225,026.72 × 505,838.40
  4. Step 4: Simplify right side
    887,804.16x = 619,665,556,002.05
  5. Step 5: Solve for x
    x = 619,665,556,002.05/887,804.16
  6. Step 6: Final answer
    x = 697,975.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.