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Finding the Fourth Proportional to 560,401.34, 840,762.59 and 276,176.79

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Solution

The fourth proportional to 560,401.34, 840,762.59 and 276,176.79 is: 414,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,401.34 : 840,762.59 = 276,176.79 : x
  2. Step 2: Convert to fraction form
    560,401.34/840,762.59 = 276,176.79/x
  3. Step 3: Cross multiply
    560,401.34x = 840,762.59 × 276,176.79
  4. Step 4: Simplify right side
    560,401.34x = 232,199,111,877.40
  5. Step 5: Solve for x
    x = 232,199,111,877.40/560,401.34
  6. Step 6: Final answer
    x = 414,344.32

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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.