Home / 908,830.08-1,362,827.76-309,547.42

Finding the Fourth Proportional to 908,830.08, 1,362,827.76 and 309,547.42

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Solution

The fourth proportional to 908,830.08, 1,362,827.76 and 309,547.42 is: 464,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,830.08 : 1,362,827.76 = 309,547.42 : x
  2. Step 2: Convert to fraction form
    908,830.08/1,362,827.76 = 309,547.42/x
  3. Step 3: Cross multiply
    908,830.08x = 1,362,827.76 × 309,547.42
  4. Step 4: Simplify right side
    908,830.08x = 421,859,817,012.38
  5. Step 5: Solve for x
    x = 421,859,817,012.38/908,830.08
  6. Step 6: Final answer
    x = 464,178.98

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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.