Home / 438,123.06-604,665.32-254,322.41

Finding the Fourth Proportional to 438,123.06, 604,665.32 and 254,322.41

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Solution

The fourth proportional to 438,123.06, 604,665.32 and 254,322.41 is: 350,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,123.06 : 604,665.32 = 254,322.41 : x
  2. Step 2: Convert to fraction form
    438,123.06/604,665.32 = 254,322.41/x
  3. Step 3: Cross multiply
    438,123.06x = 604,665.32 × 254,322.41
  4. Step 4: Simplify right side
    438,123.06x = 153,779,937,130.88
  5. Step 5: Solve for x
    x = 153,779,937,130.88/438,123.06
  6. Step 6: Final answer
    x = 350,997.13

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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.