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Finding the Fourth Proportional to 564,052.48, 778,527.84 and 383,066.08

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Solution

The fourth proportional to 564,052.48, 778,527.84 and 383,066.08 is: 528,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,052.48 : 778,527.84 = 383,066.08 : x
  2. Step 2: Convert to fraction form
    564,052.48/778,527.84 = 383,066.08/x
  3. Step 3: Cross multiply
    564,052.48x = 778,527.84 × 383,066.08
  4. Step 4: Simplify right side
    564,052.48x = 298,227,607,839.67
  5. Step 5: Solve for x
    x = 298,227,607,839.67/564,052.48
  6. Step 6: Final answer
    x = 528,723.16

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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.