Home / 501,750.36-692,464.68-286,922.16

Finding the Fourth Proportional to 501,750.36, 692,464.68 and 286,922.16

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Solution

The fourth proportional to 501,750.36, 692,464.68 and 286,922.16 is: 395,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,750.36 : 692,464.68 = 286,922.16 : x
  2. Step 2: Convert to fraction form
    501,750.36/692,464.68 = 286,922.16/x
  3. Step 3: Cross multiply
    501,750.36x = 692,464.68 × 286,922.16
  4. Step 4: Simplify right side
    501,750.36x = 198,683,461,709.31
  5. Step 5: Solve for x
    x = 198,683,461,709.31/501,750.36
  6. Step 6: Final answer
    x = 395,980.71

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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.