Home / 762,207.80-1,142,582.70-282,307.10

Finding the Fourth Proportional to 762,207.80, 1,142,582.70 and 282,307.10

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Solution

The fourth proportional to 762,207.80, 1,142,582.70 and 282,307.10 is: 423,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,207.80 : 1,142,582.70 = 282,307.10 : x
  2. Step 2: Convert to fraction form
    762,207.80/1,142,582.70 = 282,307.10/x
  3. Step 3: Cross multiply
    762,207.80x = 1,142,582.70 × 282,307.10
  4. Step 4: Simplify right side
    762,207.80x = 322,559,208,547.17
  5. Step 5: Solve for x
    x = 322,559,208,547.17/762,207.80
  6. Step 6: Final answer
    x = 423,190.64

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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.