Home / 761,482.87-1,050,713.04-434,646.61

Finding the Fourth Proportional to 761,482.87, 1,050,713.04 and 434,646.61

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Solution

The fourth proportional to 761,482.87, 1,050,713.04 and 434,646.61 is: 599,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,482.87 : 1,050,713.04 = 434,646.61 : x
  2. Step 2: Convert to fraction form
    761,482.87/1,050,713.04 = 434,646.61/x
  3. Step 3: Cross multiply
    761,482.87x = 1,050,713.04 × 434,646.61
  4. Step 4: Simplify right side
    761,482.87x = 456,688,860,918.79
  5. Step 5: Solve for x
    x = 456,688,860,918.79/761,482.87
  6. Step 6: Final answer
    x = 599,736.22

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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.