Home / 531,430.04-732,958.74-340,461.20

Finding the Fourth Proportional to 531,430.04, 732,958.74 and 340,461.20

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Solution

The fourth proportional to 531,430.04, 732,958.74 and 340,461.20 is: 469,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,430.04 : 732,958.74 = 340,461.20 : x
  2. Step 2: Convert to fraction form
    531,430.04/732,958.74 = 340,461.20/x
  3. Step 3: Cross multiply
    531,430.04x = 732,958.74 × 340,461.20
  4. Step 4: Simplify right side
    531,430.04x = 249,544,012,170.89
  5. Step 5: Solve for x
    x = 249,544,012,170.89/531,430.04
  6. Step 6: Final answer
    x = 469,570.77

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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.