Home / 840,054.40-1,159,233.08-477,430.36

Finding the Fourth Proportional to 840,054.40, 1,159,233.08 and 477,430.36

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Solution

The fourth proportional to 840,054.40, 1,159,233.08 and 477,430.36 is: 658,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,054.40 : 1,159,233.08 = 477,430.36 : x
  2. Step 2: Convert to fraction form
    840,054.40/1,159,233.08 = 477,430.36/x
  3. Step 3: Cross multiply
    840,054.40x = 1,159,233.08 × 477,430.36
  4. Step 4: Simplify right side
    840,054.40x = 553,453,066,708.31
  5. Step 5: Solve for x
    x = 553,453,066,708.31/840,054.40
  6. Step 6: Final answer
    x = 658,830.03

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Double scale
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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.