Home / 867,075.40-1,300,613.10-334,613.80

Finding the Fourth Proportional to 867,075.40, 1,300,613.10 and 334,613.80

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Solution

The fourth proportional to 867,075.40, 1,300,613.10 and 334,613.80 is: 501,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,075.40 : 1,300,613.10 = 334,613.80 : x
  2. Step 2: Convert to fraction form
    867,075.40/1,300,613.10 = 334,613.80/x
  3. Step 3: Cross multiply
    867,075.40x = 1,300,613.10 × 334,613.80
  4. Step 4: Simplify right side
    867,075.40x = 435,203,091,720.78
  5. Step 5: Solve for x
    x = 435,203,091,720.78/867,075.40
  6. Step 6: Final answer
    x = 501,920.70

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Double scale
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Similar ratio
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1.5x scale

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.