Home / 688,741.79-950,417.55-382,798.31

Finding the Fourth Proportional to 688,741.79, 950,417.55 and 382,798.31

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Solution

The fourth proportional to 688,741.79, 950,417.55 and 382,798.31 is: 528,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,741.79 : 950,417.55 = 382,798.31 : x
  2. Step 2: Convert to fraction form
    688,741.79/950,417.55 = 382,798.31/x
  3. Step 3: Cross multiply
    688,741.79x = 950,417.55 × 382,798.31
  4. Step 4: Simplify right side
    688,741.79x = 363,818,227,182.25
  5. Step 5: Solve for x
    x = 363,818,227,182.25/688,741.79
  6. Step 6: Final answer
    x = 528,236.03

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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.