Home / 924,136.80-1,386,075.60-293,114.40

Finding the Fourth Proportional to 924,136.80, 1,386,075.60 and 293,114.40

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Solution

The fourth proportional to 924,136.80, 1,386,075.60 and 293,114.40 is: 439,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,136.80 : 1,386,075.60 = 293,114.40 : x
  2. Step 2: Convert to fraction form
    924,136.80/1,386,075.60 = 293,114.40/x
  3. Step 3: Cross multiply
    924,136.80x = 1,386,075.60 × 293,114.40
  4. Step 4: Simplify right side
    924,136.80x = 406,278,717,848.64
  5. Step 5: Solve for x
    x = 406,278,717,848.64/924,136.80
  6. Step 6: Final answer
    x = 439,630.49

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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.