Home / 387,552.36-577,936.95-384,009.24

Finding the Fourth Proportional to 387,552.36, 577,936.95 and 384,009.24

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Solution

The fourth proportional to 387,552.36, 577,936.95 and 384,009.24 is: 572,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,552.36 : 577,936.95 = 384,009.24 : x
  2. Step 2: Convert to fraction form
    387,552.36/577,936.95 = 384,009.24/x
  3. Step 3: Cross multiply
    387,552.36x = 577,936.95 × 384,009.24
  4. Step 4: Simplify right side
    387,552.36x = 221,933,128,937.42
  5. Step 5: Solve for x
    x = 221,933,128,937.42/387,552.36
  6. Step 6: Final answer
    x = 572,653.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.