Home / 761,271.04-1,050,477.60-421,675.84

Finding the Fourth Proportional to 761,271.04, 1,050,477.60 and 421,675.84

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Solution

The fourth proportional to 761,271.04, 1,050,477.60 and 421,675.84 is: 581,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,271.04 : 1,050,477.60 = 421,675.84 : x
  2. Step 2: Convert to fraction form
    761,271.04/1,050,477.60 = 421,675.84/x
  3. Step 3: Cross multiply
    761,271.04x = 1,050,477.60 × 421,675.84
  4. Step 4: Simplify right side
    761,271.04x = 442,961,024,381.18
  5. Step 5: Solve for x
    x = 442,961,024,381.18/761,271.04
  6. Step 6: Final answer
    x = 581,870.32

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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.