Home / 839,464.31-1,158,426.95-457,482.89

Finding the Fourth Proportional to 839,464.31, 1,158,426.95 and 457,482.89

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Solution

The fourth proportional to 839,464.31, 1,158,426.95 and 457,482.89 is: 631,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,464.31 : 1,158,426.95 = 457,482.89 : x
  2. Step 2: Convert to fraction form
    839,464.31/1,158,426.95 = 457,482.89/x
  3. Step 3: Cross multiply
    839,464.31x = 1,158,426.95 × 457,482.89
  4. Step 4: Simplify right side
    839,464.31x = 529,960,500,860.34
  5. Step 5: Solve for x
    x = 529,960,500,860.34/839,464.31
  6. Step 6: Final answer
    x = 631,307.96

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Double scale
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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.