Home / 542,503.47-748,848.54-370,298.18

Finding the Fourth Proportional to 542,503.47, 748,848.54 and 370,298.18

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Solution

The fourth proportional to 542,503.47, 748,848.54 and 370,298.18 is: 511,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,503.47 : 748,848.54 = 370,298.18 : x
  2. Step 2: Convert to fraction form
    542,503.47/748,848.54 = 370,298.18/x
  3. Step 3: Cross multiply
    542,503.47x = 748,848.54 × 370,298.18
  4. Step 4: Simplify right side
    542,503.47x = 277,297,254,718.40
  5. Step 5: Solve for x
    x = 277,297,254,718.40/542,503.47
  6. Step 6: Final answer
    x = 511,143.74

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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.