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Finding the Fourth Proportional to 985,270, 1,477,905 and 237,316

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Solution

The fourth proportional to 985,270, 1,477,905 and 237,316 is: 355,974

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,270 : 1,477,905 = 237,316 : x
  2. Step 2: Convert to fraction form
    985,270/1,477,905 = 237,316/x
  3. Step 3: Cross multiply
    985,270x = 1,477,905 × 237,316
  4. Step 4: Simplify right side
    985,270x = 350,730,502,980
  5. Step 5: Solve for x
    x = 350,730,502,980/985,270
  6. Step 6: Final answer
    x = 355,974

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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.