Home / 669,849.12-924,338.16-383,303.52

Finding the Fourth Proportional to 669,849.12, 924,338.16 and 383,303.52

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Solution

The fourth proportional to 669,849.12, 924,338.16 and 383,303.52 is: 528,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,849.12 : 924,338.16 = 383,303.52 : x
  2. Step 2: Convert to fraction form
    669,849.12/924,338.16 = 383,303.52/x
  3. Step 3: Cross multiply
    669,849.12x = 924,338.16 × 383,303.52
  4. Step 4: Simplify right side
    669,849.12x = 354,302,070,398.32
  5. Step 5: Solve for x
    x = 354,302,070,398.32/669,849.12
  6. Step 6: Final answer
    x = 528,928.17

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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.