Home / 515,053.32-710,459.64-340,623.24

Finding the Fourth Proportional to 515,053.32, 710,459.64 and 340,623.24

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Solution

The fourth proportional to 515,053.32, 710,459.64 and 340,623.24 is: 469,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,053.32 : 710,459.64 = 340,623.24 : x
  2. Step 2: Convert to fraction form
    515,053.32/710,459.64 = 340,623.24/x
  3. Step 3: Cross multiply
    515,053.32x = 710,459.64 × 340,623.24
  4. Step 4: Simplify right side
    515,053.32x = 241,999,064,466.03
  5. Step 5: Solve for x
    x = 241,999,064,466.03/515,053.32
  6. Step 6: Final answer
    x = 469,852.45

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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.