Home / 975,970.87-1,461,824.07-405,622.69

Finding the Fourth Proportional to 975,970.87, 1,461,824.07 and 405,622.69

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Solution

The fourth proportional to 975,970.87, 1,461,824.07 and 405,622.69 is: 607,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,970.87 : 1,461,824.07 = 405,622.69 : x
  2. Step 2: Convert to fraction form
    975,970.87/1,461,824.07 = 405,622.69/x
  3. Step 3: Cross multiply
    975,970.87x = 1,461,824.07 × 405,622.69
  4. Step 4: Simplify right side
    975,970.87x = 592,949,011,580.15
  5. Step 5: Solve for x
    x = 592,949,011,580.15/975,970.87
  6. Step 6: Final answer
    x = 607,547.86

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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.