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Finding the Fourth Proportional to 508,975.02, 702,417.15 and 282,622.14

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Solution

The fourth proportional to 508,975.02, 702,417.15 and 282,622.14 is: 390,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,975.02 : 702,417.15 = 282,622.14 : x
  2. Step 2: Convert to fraction form
    508,975.02/702,417.15 = 282,622.14/x
  3. Step 3: Cross multiply
    508,975.02x = 702,417.15 × 282,622.14
  4. Step 4: Simplify right side
    508,975.02x = 198,518,638,105.70
  5. Step 5: Solve for x
    x = 198,518,638,105.70/508,975.02
  6. Step 6: Final answer
    x = 390,036.11

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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.