Home / 887,736.24-1,225,075.80-485,328.24

Finding the Fourth Proportional to 887,736.24, 1,225,075.80 and 485,328.24

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Solution

The fourth proportional to 887,736.24, 1,225,075.80 and 485,328.24 is: 669,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,736.24 : 1,225,075.80 = 485,328.24 : x
  2. Step 2: Convert to fraction form
    887,736.24/1,225,075.80 = 485,328.24/x
  3. Step 3: Cross multiply
    887,736.24x = 1,225,075.80 × 485,328.24
  4. Step 4: Simplify right side
    887,736.24x = 594,563,881,880.59
  5. Step 5: Solve for x
    x = 594,563,881,880.59/887,736.24
  6. Step 6: Final answer
    x = 669,752.86

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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.