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Finding the Fourth Proportional to 524,289.42, 723,510.63 and 291,707.34

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Solution

The fourth proportional to 524,289.42, 723,510.63 and 291,707.34 is: 402,551.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,289.42 : 723,510.63 = 291,707.34 : x
  2. Step 2: Convert to fraction form
    524,289.42/723,510.63 = 291,707.34/x
  3. Step 3: Cross multiply
    524,289.42x = 723,510.63 × 291,707.34
  4. Step 4: Simplify right side
    524,289.42x = 211,053,361,339.02
  5. Step 5: Solve for x
    x = 211,053,361,339.02/524,289.42
  6. Step 6: Final answer
    x = 402,551.25

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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.