Home / 918,259-1,266,962.08-536,066.16

Finding the Fourth Proportional to 918,259, 1,266,962.08 and 536,066.16

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Solution

The fourth proportional to 918,259, 1,266,962.08 and 536,066.16 is: 739,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,259 : 1,266,962.08 = 536,066.16 : x
  2. Step 2: Convert to fraction form
    918,259/1,266,962.08 = 536,066.16/x
  3. Step 3: Cross multiply
    918,259x = 1,266,962.08 × 536,066.16
  4. Step 4: Simplify right side
    918,259x = 679,175,497,091.21
  5. Step 5: Solve for x
    x = 679,175,497,091.21/918,259
  6. Step 6: Final answer
    x = 739,633.91

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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.