Home / 779,948.16-1,169,922.60-281,312.16

Finding the Fourth Proportional to 779,948.16, 1,169,922.60 and 281,312.16

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Solution

The fourth proportional to 779,948.16, 1,169,922.60 and 281,312.16 is: 421,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,948.16 : 1,169,922.60 = 281,312.16 : x
  2. Step 2: Convert to fraction form
    779,948.16/1,169,922.60 = 281,312.16/x
  3. Step 3: Cross multiply
    779,948.16x = 1,169,922.60 × 281,312.16
  4. Step 4: Simplify right side
    779,948.16x = 329,113,453,638.82
  5. Step 5: Solve for x
    x = 329,113,453,638.82/779,948.16
  6. Step 6: Final answer
    x = 421,968.37

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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.