Home / 830,069.83-1,145,538.93-507,678.67

Finding the Fourth Proportional to 830,069.83, 1,145,538.93 and 507,678.67

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Solution

The fourth proportional to 830,069.83, 1,145,538.93 and 507,678.67 is: 700,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,069.83 : 1,145,538.93 = 507,678.67 : x
  2. Step 2: Convert to fraction form
    830,069.83/1,145,538.93 = 507,678.67/x
  3. Step 3: Cross multiply
    830,069.83x = 1,145,538.93 × 507,678.67
  4. Step 4: Simplify right side
    830,069.83x = 581,565,680,415.62
  5. Step 5: Solve for x
    x = 581,565,680,415.62/830,069.83
  6. Step 6: Final answer
    x = 700,622.60

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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.