Home / 709,557.16-1,064,475.95-260,282.20

Finding the Fourth Proportional to 709,557.16, 1,064,475.95 and 260,282.20

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Solution

The fourth proportional to 709,557.16, 1,064,475.95 and 260,282.20 is: 390,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,557.16 : 1,064,475.95 = 260,282.20 : x
  2. Step 2: Convert to fraction form
    709,557.16/1,064,475.95 = 260,282.20/x
  3. Step 3: Cross multiply
    709,557.16x = 1,064,475.95 × 260,282.20
  4. Step 4: Simplify right side
    709,557.16x = 277,064,142,113.09
  5. Step 5: Solve for x
    x = 277,064,142,113.09/709,557.16
  6. Step 6: Final answer
    x = 390,474.73

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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.