Home / 478,225.76-716,551.34-334,146.20

Finding the Fourth Proportional to 478,225.76, 716,551.34 and 334,146.20

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Solution

The fourth proportional to 478,225.76, 716,551.34 and 334,146.20 is: 500,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,225.76 : 716,551.34 = 334,146.20 : x
  2. Step 2: Convert to fraction form
    478,225.76/716,551.34 = 334,146.20/x
  3. Step 3: Cross multiply
    478,225.76x = 716,551.34 × 334,146.20
  4. Step 4: Simplify right side
    478,225.76x = 239,432,902,112.42
  5. Step 5: Solve for x
    x = 239,432,902,112.42/478,225.76
  6. Step 6: Final answer
    x = 500,669.19

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1.5x scale

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.