Home / 947,435.40-1,307,445-517,705.62

Finding the Fourth Proportional to 947,435.40, 1,307,445 and 517,705.62

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Solution

The fourth proportional to 947,435.40, 1,307,445 and 517,705.62 is: 714,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,435.40 : 1,307,445 = 517,705.62 : x
  2. Step 2: Convert to fraction form
    947,435.40/1,307,445 = 517,705.62/x
  3. Step 3: Cross multiply
    947,435.40x = 1,307,445 × 517,705.62
  4. Step 4: Simplify right side
    947,435.40x = 676,871,624,340.90
  5. Step 5: Solve for x
    x = 676,871,624,340.90/947,435.40
  6. Step 6: Final answer
    x = 714,425.09

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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.