Home / 803,678.07-1,205,854.47-500,325.93

Finding the Fourth Proportional to 803,678.07, 1,205,854.47 and 500,325.93

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Solution

The fourth proportional to 803,678.07, 1,205,854.47 and 500,325.93 is: 750,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,678.07 : 1,205,854.47 = 500,325.93 : x
  2. Step 2: Convert to fraction form
    803,678.07/1,205,854.47 = 500,325.93/x
  3. Step 3: Cross multiply
    803,678.07x = 1,205,854.47 × 500,325.93
  4. Step 4: Simplify right side
    803,678.07x = 603,320,259,147.41
  5. Step 5: Solve for x
    x = 603,320,259,147.41/803,678.07
  6. Step 6: Final answer
    x = 750,698.92

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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.