Home / 774,619.76-1,069,075.32-435,088

Finding the Fourth Proportional to 774,619.76, 1,069,075.32 and 435,088

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Solution

The fourth proportional to 774,619.76, 1,069,075.32 and 435,088 is: 600,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,619.76 : 1,069,075.32 = 435,088 : x
  2. Step 2: Convert to fraction form
    774,619.76/1,069,075.32 = 435,088/x
  3. Step 3: Cross multiply
    774,619.76x = 1,069,075.32 × 435,088
  4. Step 4: Simplify right side
    774,619.76x = 465,141,842,828.16
  5. Step 5: Solve for x
    x = 465,141,842,828.16/774,619.76
  6. Step 6: Final answer
    x = 600,477.64

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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.