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Finding the Fourth Proportional to 524,920.95, 724,382.73 and 295,477.74

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Solution

The fourth proportional to 524,920.95, 724,382.73 and 295,477.74 is: 407,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,920.95 : 724,382.73 = 295,477.74 : x
  2. Step 2: Convert to fraction form
    524,920.95/724,382.73 = 295,477.74/x
  3. Step 3: Cross multiply
    524,920.95x = 724,382.73 × 295,477.74
  4. Step 4: Simplify right side
    524,920.95x = 214,038,971,955.43
  5. Step 5: Solve for x
    x = 214,038,971,955.43/524,920.95
  6. Step 6: Final answer
    x = 407,754.68

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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.