Home / 936,038.70-1,291,727.32-506,309.60

Finding the Fourth Proportional to 936,038.70, 1,291,727.32 and 506,309.60

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Solution

The fourth proportional to 936,038.70, 1,291,727.32 and 506,309.60 is: 698,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,038.70 : 1,291,727.32 = 506,309.60 : x
  2. Step 2: Convert to fraction form
    936,038.70/1,291,727.32 = 506,309.60/x
  3. Step 3: Cross multiply
    936,038.70x = 1,291,727.32 × 506,309.60
  4. Step 4: Simplify right side
    936,038.70x = 654,013,944,661.82
  5. Step 5: Solve for x
    x = 654,013,944,661.82/936,038.70
  6. Step 6: Final answer
    x = 698,703.96

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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.