Home / 673,484.32-929,430.06-383,088.40

Finding the Fourth Proportional to 673,484.32, 929,430.06 and 383,088.40

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Solution

The fourth proportional to 673,484.32, 929,430.06 and 383,088.40 is: 528,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,484.32 : 929,430.06 = 383,088.40 : x
  2. Step 2: Convert to fraction form
    673,484.32/929,430.06 = 383,088.40/x
  3. Step 3: Cross multiply
    673,484.32x = 929,430.06 × 383,088.40
  4. Step 4: Simplify right side
    673,484.32x = 356,053,874,597.30
  5. Step 5: Solve for x
    x = 356,053,874,597.30/673,484.32
  6. Step 6: Final answer
    x = 528,674.33

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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.