Home / 909,039.69-1,254,442.48-495,567.92

Finding the Fourth Proportional to 909,039.69, 1,254,442.48 and 495,567.92

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Solution

The fourth proportional to 909,039.69, 1,254,442.48 and 495,567.92 is: 683,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,039.69 : 1,254,442.48 = 495,567.92 : x
  2. Step 2: Convert to fraction form
    909,039.69/1,254,442.48 = 495,567.92/x
  3. Step 3: Cross multiply
    909,039.69x = 1,254,442.48 × 495,567.92
  4. Step 4: Simplify right side
    909,039.69x = 621,661,452,470.43
  5. Step 5: Solve for x
    x = 621,661,452,470.43/909,039.69
  6. Step 6: Final answer
    x = 683,866.13

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Double scale
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1.5x scale

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.