Home / 531,443.04-732,976.68-340,474.20

Finding the Fourth Proportional to 531,443.04, 732,976.68 and 340,474.20

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Solution

The fourth proportional to 531,443.04, 732,976.68 and 340,474.20 is: 469,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,443.04 : 732,976.68 = 340,474.20 : x
  2. Step 2: Convert to fraction form
    531,443.04/732,976.68 = 340,474.20/x
  3. Step 3: Cross multiply
    531,443.04x = 732,976.68 × 340,474.20
  4. Step 4: Simplify right side
    531,443.04x = 249,559,648,741.66
  5. Step 5: Solve for x
    x = 249,559,648,741.66/531,443.04
  6. Step 6: Final answer
    x = 469,588.70

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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.