Home / 972,900.34-1,342,500.62-564,922.65

Finding the Fourth Proportional to 972,900.34, 1,342,500.62 and 564,922.65

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Solution

The fourth proportional to 972,900.34, 1,342,500.62 and 564,922.65 is: 779,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,900.34 : 1,342,500.62 = 564,922.65 : x
  2. Step 2: Convert to fraction form
    972,900.34/1,342,500.62 = 564,922.65/x
  3. Step 3: Cross multiply
    972,900.34x = 1,342,500.62 × 564,922.65
  4. Step 4: Simplify right side
    972,900.34x = 758,409,009,289.35
  5. Step 5: Solve for x
    x = 758,409,009,289.35/972,900.34
  6. Step 6: Final answer
    x = 779,534.12

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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.