Home / 912,362.40-1,368,543.60-238,442.40

Finding the Fourth Proportional to 912,362.40, 1,368,543.60 and 238,442.40

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Solution

The fourth proportional to 912,362.40, 1,368,543.60 and 238,442.40 is: 357,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,362.40 : 1,368,543.60 = 238,442.40 : x
  2. Step 2: Convert to fraction form
    912,362.40/1,368,543.60 = 238,442.40/x
  3. Step 3: Cross multiply
    912,362.40x = 1,368,543.60 × 238,442.40
  4. Step 4: Simplify right side
    912,362.40x = 326,318,820,488.64
  5. Step 5: Solve for x
    x = 326,318,820,488.64/912,362.40
  6. Step 6: Final answer
    x = 357,663.60

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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.