Home / 679,948.30-1,019,922.45-606,465.10

Finding the Fourth Proportional to 679,948.30, 1,019,922.45 and 606,465.10

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Solution

The fourth proportional to 679,948.30, 1,019,922.45 and 606,465.10 is: 909,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,948.30 : 1,019,922.45 = 606,465.10 : x
  2. Step 2: Convert to fraction form
    679,948.30/1,019,922.45 = 606,465.10/x
  3. Step 3: Cross multiply
    679,948.30x = 1,019,922.45 × 606,465.10
  4. Step 4: Simplify right side
    679,948.30x = 618,547,370,631.50
  5. Step 5: Solve for x
    x = 618,547,370,631.50/679,948.30
  6. Step 6: Final answer
    x = 909,697.65

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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.