Home / 849,307.55-1,172,068.18-462,146.58

Finding the Fourth Proportional to 849,307.55, 1,172,068.18 and 462,146.58

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Solution

The fourth proportional to 849,307.55, 1,172,068.18 and 462,146.58 is: 637,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,307.55 : 1,172,068.18 = 462,146.58 : x
  2. Step 2: Convert to fraction form
    849,307.55/1,172,068.18 = 462,146.58/x
  3. Step 3: Cross multiply
    849,307.55x = 1,172,068.18 × 462,146.58
  4. Step 4: Simplify right side
    849,307.55x = 541,667,299,758.46
  5. Step 5: Solve for x
    x = 541,667,299,758.46/849,307.55
  6. Step 6: Final answer
    x = 637,775.21

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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.