Home / 626,555.08-864,646.90-340,075.24

Finding the Fourth Proportional to 626,555.08, 864,646.90 and 340,075.24

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Solution

The fourth proportional to 626,555.08, 864,646.90 and 340,075.24 is: 469,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,555.08 : 864,646.90 = 340,075.24 : x
  2. Step 2: Convert to fraction form
    626,555.08/864,646.90 = 340,075.24/x
  3. Step 3: Cross multiply
    626,555.08x = 864,646.90 × 340,075.24
  4. Step 4: Simplify right side
    626,555.08x = 294,045,002,032.76
  5. Step 5: Solve for x
    x = 294,045,002,032.76/626,555.08
  6. Step 6: Final answer
    x = 469,304.31

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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.