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Finding the Fourth Proportional to 602,280.86, 830,832.71 and 357,122.93

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Solution

The fourth proportional to 602,280.86, 830,832.71 and 357,122.93 is: 492,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,280.86 : 830,832.71 = 357,122.93 : x
  2. Step 2: Convert to fraction form
    602,280.86/830,832.71 = 357,122.93/x
  3. Step 3: Cross multiply
    602,280.86x = 830,832.71 × 357,122.93
  4. Step 4: Simplify right side
    602,280.86x = 296,709,405,795.26
  5. Step 5: Solve for x
    x = 296,709,405,795.26/602,280.86
  6. Step 6: Final answer
    x = 492,642.93

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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.