Home / 879,335.48-1,213,613.40-557,075.48

Finding the Fourth Proportional to 879,335.48, 1,213,613.40 and 557,075.48

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Solution

The fourth proportional to 879,335.48, 1,213,613.40 and 557,075.48 is: 768,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,335.48 : 1,213,613.40 = 557,075.48 : x
  2. Step 2: Convert to fraction form
    879,335.48/1,213,613.40 = 557,075.48/x
  3. Step 3: Cross multiply
    879,335.48x = 1,213,613.40 × 557,075.48
  4. Step 4: Simplify right side
    879,335.48x = 676,074,267,339.43
  5. Step 5: Solve for x
    x = 676,074,267,339.43/879,335.48
  6. Step 6: Final answer
    x = 768,846.80

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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.