Home / 1,138,976.16-1,708,480.80-297,528

Finding the Fourth Proportional to 1,138,976.16, 1,708,480.80 and 297,528

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Solution

The fourth proportional to 1,138,976.16, 1,708,480.80 and 297,528 is: 446,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,976.16 : 1,708,480.80 = 297,528 : x
  2. Step 2: Convert to fraction form
    1,138,976.16/1,708,480.80 = 297,528/x
  3. Step 3: Cross multiply
    1,138,976.16x = 1,708,480.80 × 297,528
  4. Step 4: Simplify right side
    1,138,976.16x = 508,320,875,462.40
  5. Step 5: Solve for x
    x = 508,320,875,462.40/1,138,976.16
  6. Step 6: Final answer
    x = 446,296.33

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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.